| Market Weston pollen count · Market Weston allergies | 12 (Low) | Ragweed | 9 | 0.6 | 12 |
| Markfield pollen count · Markfield allergies | 12 (Low) | Ragweed | 12 | 0.6 | 10 |
| Marsh Baldon pollen count · Marsh Baldon allergies | 12 (Low) | Ragweed | 12 | 0.6 | 9 |
| Marsh Gibbon pollen count · Marsh Gibbon allergies | 12 (Low) | Ragweed | 12 | 0.6 | 10 |
| Marston pollen count · Marston allergies | 12 (Low) | Ragweed | 12 | 0.6 | 10 |
| Marston Magna pollen count · Marston Magna allergies | 12 (Low) | Ragweed | 12 | 0.6 | 9 |
| Martham pollen count · Martham allergies | 12 (Low) | Ragweed | 11 | 0.6 | 12 |
| Mattishall pollen count · Mattishall allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Measham pollen count · Measham allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Melbourn pollen count · Melbourn allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Meldreth pollen count · Meldreth allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Melsonby pollen count · Melsonby allergies | 12 (Low) | Ragweed | 5 | 5 | 12 |
| Menai Bridge pollen count · Menai Bridge allergies | 12 (Low) | Ragweed | 12 | 0.6 | 8 |
| Mepal pollen count · Mepal allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Mid Calder pollen count · Mid Calder allergies | 12 (Low) | Grass | 4 | 12 | 9 |
| Middleton on the Wolds pollen count · Middleton on the Wolds allergies | 12 (Low) | Ragweed | 5 | 0.6 | 12 |
| Middlewich pollen count · Middlewich allergies | 12 (Low) | Ragweed | 12 | 0.6 | 10 |
| Milverton pollen count · Milverton allergies | 12 (Low) | Ragweed | 12 | 0.6 | 9 |
| Minster Lovell pollen count · Minster Lovell allergies | 12 (Low) | Ragweed | 12 | 0.6 | 9 |
| Moelfre pollen count · Moelfre allergies | 12 (Low) | Ragweed | 12 | 0.6 | 8 |
| Mold pollen count · Mold allergies | 12 (Low) | Ragweed | 12 | 0.6 | 9 |
| Monks Eleigh pollen count · Monks Eleigh allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Monxton pollen count · Monxton allergies | 12 (Low) | Ragweed | 11 | 0.6 | 12 |
| Morcombelake pollen count · Morcombelake allergies | 12 (Low) | Ragweed | 12 | 0.6 | 6 |
| Mosterton pollen count · Mosterton allergies | 12 (Low) | Ragweed | 12 | 0.6 | 6 |
| Mountsorrel pollen count · Mountsorrel allergies | 12 (Low) | Ragweed | 12 | 0.6 | 12 |
| Moy pollen count · Moy allergies | 12 (Low) | Grass | 6 | 12 | 7 |
| Narborough pollen count · Narborough allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Needingworth pollen count · Needingworth allergies | 12 (Low) | Ragweed | 11 | 0.6 | 12 |
| Nether Broughton pollen count · Nether Broughton allergies | 12 (Low) | Ragweed | 7 | 0.6 | 12 |
| Nether Compton pollen count · Nether Compton allergies | 12 (Low) | Ragweed | 12 | 0.6 | 9 |
| Nether Wallop pollen count · Nether Wallop allergies | 12 (Low) | Ragweed | 11 | 0.6 | 12 |
| Netherbury pollen count · Netherbury allergies | 12 (Low) | Ragweed | 12 | 0.6 | 6 |
| Nettlebed pollen count · Nettlebed allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| New Basford pollen count · New Basford allergies | 12 (Low) | Ragweed | 12 | 0.6 | 10 |
| New Holland pollen count · New Holland allergies | 12 (Low) | Ragweed | 7 | 0.6 | 12 |
| Newbury pollen count · Newbury allergies | 12 (Low) | Ragweed | 12 | 0.6 | 8 |
| Newent pollen count · Newent allergies | 12 (Low) | Ragweed | 12 | 0.6 | 10 |
| Newtown Limford pollen count · Newtown Limford allergies | 12 (Low) | Ragweed | 12 | 0.6 | 12 |
| Newtownabbey pollen count · Newtownabbey allergies | 12 (Low) | Grass | 7 | 12 | 8 |
| Newtownstewart pollen count · Newtownstewart allergies | 12 (Low) | Grass | 6 | 12 | 8 |
| Normanton on the Wolds pollen count · Normanton on the Wolds allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| North Cave pollen count · North Cave allergies | 12 (Low) | Ragweed | 6 | 0.6 | 12 |
| North Dalton pollen count · North Dalton allergies | 12 (Low) | Ragweed | 6 | 0.6 | 12 |
| North Ferriby pollen count · North Ferriby allergies | 12 (Low) | Ragweed | 6 | 0.6 | 12 |
| North Leigh pollen count · North Leigh allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| North Lopham pollen count · North Lopham allergies | 12 (Low) | Ragweed | 9 | 0.6 | 12 |
| North Newbald pollen count · North Newbald allergies | 12 (Low) | Ragweed | 6 | 0.6 | 12 |
| North Queensferry pollen count · North Queensferry allergies | 12 (Low) | Grass | 4 | 12 | 10 |
| Northop pollen count · Northop allergies | 12 (Low) | Ragweed | 12 | 0.6 | 9 |
| Norton pollen count · Norton allergies | 12 (Low) | Ragweed | 4 | 2 | 12 |
| Norton Canes pollen count · Norton Canes allergies | 12 (Low) | Ragweed | 12 | 0.6 | 10 |
| Nottingham pollen count · Nottingham allergies | 12 (Low) | Ragweed | 12 | 0.6 | 10 |
| Nuffield pollen count · Nuffield allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Oakington pollen count · Oakington allergies | 12 (Low) | Ragweed | 11 | 0.6 | 12 |
| Old Dalby pollen count · Old Dalby allergies | 12 (Low) | Ragweed | 7 | 0.6 | 12 |
| Ormesby St Margaret pollen count · Ormesby St Margaret allergies | 12 (Low) | Ragweed | 11 | 0.6 | 12 |
| Orston pollen count · Orston allergies | 12 (Low) | Ragweed | 8 | 0.6 | 12 |
| Orwell pollen count · Orwell allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Ottringham pollen count · Ottringham allergies | 12 (Low) | Ragweed | 8 | 0.6 | 12 |
| Over pollen count · Over allergies | 12 (Low) | Ragweed | 11 | 0.6 | 12 |
| Over Wallop pollen count · Over Wallop allergies | 12 (Low) | Ragweed | 11 | 0.6 | 12 |
| Oxford pollen count · Oxford allergies | 12 (Low) | Ragweed | 12 | 0.6 | 8 |
| Oxhill pollen count · Oxhill allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Oxton pollen count · Oxton allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Packington pollen count · Packington allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Pakenham pollen count · Pakenham allergies | 12 (Low) | Ragweed | 9 | 0.6 | 12 |
| Pant pollen count · Pant allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Peasemore pollen count · Peasemore allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Pensford pollen count · Pensford allergies | 12 (Low) | Ragweed | 12 | 0.6 | 9 |
| Pensilva pollen count · Pensilva allergies | 12 (Low) | Ragweed | 12 | 0.6 | 7 |
| Pentraeth pollen count · Pentraeth allergies | 12 (Low) | Ragweed | 12 | 0.6 | 8 |
| Penygroes pollen count · Penygroes allergies | 12 (Low) | Ragweed | 12 | 0.6 | 9 |
| Peterchurch pollen count · Peterchurch allergies | 12 (Low) | Ragweed | 11 | 0.6 | 12 |
| Pewsey pollen count · Pewsey allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Pickhill pollen count · Pickhill allergies | 12 (Low) | Ragweed | 5 | 0.6 | 12 |
| Piddington pollen count · Piddington allergies | 12 (Low) | Ragweed | 12 | 0.6 | 10 |
| Pilton pollen count · Pilton allergies | 12 (Low) | Ragweed | 12 | 0.6 | 8 |
| Pocklington pollen count · Pocklington allergies | 12 (Low) | Ragweed | 5 | 0.6 | 12 |
| Polbeth pollen count · Polbeth allergies | 12 (Low) | Grass | 4 | 12 | 9 |
| Ponteland pollen count · Ponteland allergies | 12 (Low) | Ragweed | 7 | 3 | 12 |
| Port Bannatyne pollen count · Port Bannatyne allergies | 12 (Low) | Grass | 12 | 11 | 9 |
| Portaferry pollen count · Portaferry allergies | 12 (Low) | Ragweed | 12 | 3 | 7 |
| Portknockie pollen count · Portknockie allergies | 12 (Low) | Grass | 9 | 12 | 11 |
| Postwick pollen count · Postwick allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Potter Heigham pollen count · Potter Heigham allergies | 12 (Low) | Ragweed | 11 | 0.6 | 12 |
| Princetown pollen count · Princetown allergies | 12 (Low) | Ragweed | 12 | 0.6 | 7 |
| Queen Camel pollen count · Queen Camel allergies | 12 (Low) | Ragweed | 12 | 0.6 | 9 |
| Queensferry pollen count · Queensferry allergies | 12 (Low) | Grass | 4 | 12 | 10 |
| Quorndon pollen count · Quorndon allergies | 12 (Low) | Ragweed | 12 | 0.6 | 12 |
| Radley pollen count · Radley allergies | 12 (Low) | Ragweed | 12 | 0.6 | 9 |
| Rainworth pollen count · Rainworth allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Ramsbury pollen count · Ramsbury allergies | 12 (Low) | Ragweed | 9 | 0.6 | 12 |
| Ratby pollen count · Ratby allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Rattlesden pollen count · Rattlesden allergies | 12 (Low) | Ragweed | 9 | 0.6 | 12 |
| Ravenstone pollen count · Ravenstone allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Raydon pollen count · Raydon allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Redgrave pollen count · Redgrave allergies | 12 (Low) | Ragweed | 9 | 0.6 | 12 |
| Reed pollen count · Reed allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Rempstone pollen count · Rempstone allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Renfrew pollen count · Renfrew allergies | 12 (Low) | Grass | 2 | 12 | 6 |
| Renton pollen count · Renton allergies | 12 (Low) | Grass | 1 | 12 | 6 |
| Rhosgadfan pollen count · Rhosgadfan allergies | 12 (Low) | Ragweed | 12 | 0.6 | 8 |
| Rillington pollen count · Rillington allergies | 12 (Low) | Ragweed | 4 | 2 | 12 |
| Risby pollen count · Risby allergies | 12 (Low) | Ragweed | 9 | 0.6 | 12 |
| Rodney Stoke pollen count · Rodney Stoke allergies | 12 (Low) | Ragweed | 12 | 0.6 | 7 |
| Rollesby pollen count · Rollesby allergies | 12 (Low) | Ragweed | 11 | 0.6 | 12 |
| Ropsley pollen count · Ropsley allergies | 12 (Low) | Ragweed | 8 | 0.6 | 12 |
| Rosslea pollen count · Rosslea allergies | 12 (Low) | Grass | 6 | 12 | 7 |
| Rosyth pollen count · Rosyth allergies | 12 (Low) | Grass | 4 | 12 | 10 |
| Rothesay pollen count · Rothesay allergies | 12 (Low) | Grass | 12 | 11 | 9 |
| Rowberrow pollen count · Rowberrow allergies | 12 (Low) | Ragweed | 12 | 0.6 | 7 |
| Rowberrow Bottom pollen count · Rowberrow Bottom allergies | 12 (Low) | Ragweed | 12 | 0.6 | 7 |
| Royal Leamington Spa pollen count · Royal Leamington Spa allergies | 12 (Low) | Ragweed | 12 | 0.6 | 10 |
| Ruddington pollen count · Ruddington allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Saffron Walden pollen count · Saffron Walden allergies | 12 (Low) | Ragweed | 9 | 0.6 | 12 |
| Saint Andrews Quay pollen count · Saint Andrews Quay allergies | 12 (Low) | Ragweed | 7 | 0.6 | 12 |
| Saltford pollen count · Saltford allergies | 12 (Low) | Ragweed | 12 | 0.6 | 9 |
| Sancton pollen count · Sancton allergies | 12 (Low) | Ragweed | 6 | 0.6 | 12 |
| Sandford pollen count · Sandford allergies | 12 (Low) | Ragweed | 12 | 0.6 | 7 |
| Saughall pollen count · Saughall allergies | 12 (Low) | Ragweed | 12 | 0.6 | 9 |
| Sawston pollen count · Sawston allergies | 12 (Low) | Ragweed | 9 | 0.6 | 12 |
| Saxlingham Nethergate pollen count · Saxlingham Nethergate allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Sculthorpe pollen count · Sculthorpe allergies | 12 (Low) | Ragweed | 8 | 0.6 | 12 |
| Sea Palling pollen count · Sea Palling allergies | 12 (Low) | Ragweed | 9 | 0.6 | 12 |
| Seagrave pollen count · Seagrave allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Seaton Ross pollen count · Seaton Ross allergies | 12 (Low) | Ragweed | 5 | 0.6 | 12 |
| Sedgebrook pollen count · Sedgebrook allergies | 12 (Low) | Ragweed | 8 | 0.6 | 12 |
| Settrington pollen count · Settrington allergies | 12 (Low) | Ragweed | 6 | 0.6 | 12 |
| Shabbington pollen count · Shabbington allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Shalbourne pollen count · Shalbourne allergies | 12 (Low) | Ragweed | 9 | 0.6 | 12 |
| Shapwick pollen count · Shapwick allergies | 12 (Low) | Ragweed | 12 | 0.6 | 9 |
| Shenington pollen count · Shenington allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Shepreth pollen count · Shepreth allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Sheriff Hutton pollen count · Sheriff Hutton allergies | 12 (Low) | Ragweed | 6 | 0.6 | 12 |
| Shieldhill pollen count · Shieldhill allergies | 12 (Low) | Grass | 3 | 12 | 8 |
| Shipham pollen count · Shipham allergies | 12 (Low) | Ragweed | 12 | 0.6 | 7 |
| Shirebrook pollen count · Shirebrook allergies | 12 (Low) | Ragweed | 9 | 0.6 | 12 |
| Shudy Camps pollen count · Shudy Camps allergies | 12 (Low) | Ragweed | 9 | 0.6 | 12 |
| Silchester pollen count · Silchester allergies | 12 (Low) | Ragweed | 12 | 0.6 | 8 |
| Sion Mills pollen count · Sion Mills allergies | 12 (Low) | Grass | 6 | 12 | 8 |
| Skidby pollen count · Skidby allergies | 12 (Low) | Ragweed | 7 | 0.6 | 12 |
| Skinflats pollen count · Skinflats allergies | 12 (Low) | Grass | 3 | 12 | 8 |
| Skipsea pollen count · Skipsea allergies | 12 (Low) | Ragweed | 9 | 0.6 | 12 |
| Snainton pollen count · Snainton allergies | 12 (Low) | Ragweed | 5 | 1 | 12 |
| Soham pollen count · Soham allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Somerton pollen count · Somerton allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| South Cave pollen count · South Cave allergies | 12 (Low) | Ragweed | 6 | 0.6 | 12 |
| South Ferriby pollen count · South Ferriby allergies | 12 (Low) | Ragweed | 6 | 0.6 | 12 |
| South Littleton pollen count · South Littleton allergies | 12 (Low) | Ragweed | 12 | 0.6 | 10 |
| South Witham pollen count · South Witham allergies | 12 (Low) | Ragweed | 7 | 0.6 | 12 |
| Southwell pollen count · Southwell allergies | 12 (Low) | Ragweed | 12 | 0.6 | 12 |
| Southwold pollen count · Southwold allergies | 12 (Low) | Ragweed | 12 | 0.6 | 10 |
| Sparkford pollen count · Sparkford allergies | 12 (Low) | Ragweed | 12 | 0.6 | 9 |
| Spetisbury pollen count · Spetisbury allergies | 12 (Low) | Tree | 12 | 0.6 | 6 |
| Spixworth pollen count · Spixworth allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Sproatley pollen count · Sproatley allergies | 12 (Low) | Ragweed | 8 | 0.6 | 12 |
| St Mary Bourne pollen count · St Mary Bourne allergies | 12 (Low) | Ragweed | 12 | 0.6 | 7 |
| Stadhampton pollen count · Stadhampton allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Stafford pollen count · Stafford allergies | 12 (Low) | Ragweed | 12 | 0.6 | 10 |
| Stalham pollen count · Stalham allergies | 12 (Low) | Ragweed | 9 | 0.6 | 12 |
| Stamford Bridge pollen count · Stamford Bridge allergies | 12 (Low) | Ragweed | 6 | 0.6 | 12 |
| Standlake pollen count · Standlake allergies | 12 (Low) | Ragweed | 12 | 0.6 | 10 |
| Standon pollen count · Standon allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Stannington pollen count · Stannington allergies | 12 (Low) | Ragweed | 7 | 3 | 12 |
| Stanton Harcourt pollen count · Stanton Harcourt allergies | 12 (Low) | Ragweed | 12 | 0.6 | 10 |
| Stapleford pollen count · Stapleford allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Star pollen count · Star allergies | 12 (Low) | Ragweed | 12 | 0.6 | 7 |
| Steeple Aston pollen count · Steeple Aston allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Steeple Bumpstead pollen count · Steeple Bumpstead allergies | 12 (Low) | Ragweed | 9 | 0.6 | 12 |
| Steeple Claydon pollen count · Steeple Claydon allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Stenhousemuir pollen count · Stenhousemuir allergies | 12 (Low) | Grass | 3 | 12 | 8 |
| Stoke by Clare pollen count · Stoke by Clare allergies | 12 (Low) | Ragweed | 9 | 0.6 | 12 |
| Stoneleigh pollen count · Stoneleigh allergies | 12 (Low) | Ragweed | 12 | 0.6 | 10 |
| Stonesfield pollen count · Stonesfield allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Stow cum Quy pollen count · Stow cum Quy allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Strabane pollen count · Strabane allergies | 12 (Low) | Grass | 6 | 12 | 8 |
| Stratton Audley pollen count · Stratton Audley allergies | 12 (Low) | Ragweed | 12 | 0.6 | 10 |
| Street pollen count · Street allergies | 12 (Low) | Ragweed | 12 | 0.6 | 7 |
| Stretham pollen count · Stretham allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Sturminster Marshall pollen count · Sturminster Marshall allergies | 12 (Low) | Tree | 12 | 0.6 | 6 |
| Surlingham pollen count · Surlingham allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Sutton Bonington pollen count · Sutton Bonington allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Sutton on the Forest pollen count · Sutton on the Forest allergies | 12 (Low) | Ragweed | 6 | 0.6 | 12 |
| Sutton upon Derwent pollen count · Sutton upon Derwent allergies | 12 (Low) | Ragweed | 6 | 0.6 | 12 |
| Swaffham Bulbeck pollen count · Swaffham Bulbeck allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Swaffham Prior pollen count · Swaffham Prior allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Swavesey pollen count · Swavesey allergies | 12 (Low) | Ragweed | 11 | 0.6 | 12 |
| Swayfield pollen count · Swayfield allergies | 12 (Low) | Ragweed | 7 | 0.6 | 12 |
| Swithland pollen count · Swithland allergies | 12 (Low) | Ragweed | 12 | 0.6 | 12 |
| Tackley pollen count · Tackley allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Tadley pollen count · Tadley allergies | 12 (Low) | Ragweed | 12 | 0.6 | 8 |
| Talysarn pollen count · Talysarn allergies | 12 (Low) | Ragweed | 12 | 0.6 | 9 |
| Terrington pollen count · Terrington allergies | 12 (Low) | Ragweed | 6 | 0.6 | 12 |
| Thatcham pollen count · Thatcham allergies | 12 (Low) | Ragweed | 12 | 0.6 | 8 |
| Theale pollen count · Theale allergies | 12 (Low) | Ragweed | 12 | 0.6 | 8 |
| Thorngumbald pollen count · Thorngumbald allergies | 12 (Low) | Ragweed | 8 | 0.6 | 12 |
| Thornton Dale pollen count · Thornton Dale allergies | 12 (Low) | Ragweed | 4 | 2 | 12 |
| Thorpe Salvin pollen count · Thorpe Salvin allergies | 12 (Low) | Ragweed | 9 | 0.6 | 12 |
| Thriplow pollen count · Thriplow allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Thurcaston pollen count · Thurcaston allergies | 12 (Low) | Ragweed | 12 | 0.6 | 12 |
| Thurstaston pollen count · Thurstaston allergies | 12 (Low) | Ragweed | 12 | 0.6 | 10 |
| Thurston pollen count · Thurston allergies | 12 (Low) | Ragweed | 9 | 0.6 | 12 |
| Thurton pollen count · Thurton allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Ticknall pollen count · Ticknall allergies | 12 (Low) | Ragweed | 12 | 0.6 | 12 |
| Tickton pollen count · Tickton allergies | 12 (Low) | Ragweed | 7 | 0.6 | 12 |
| Todwick pollen count · Todwick allergies | 12 (Low) | Ragweed | 9 | 0.6 | 12 |
| Toft pollen count · Toft allergies | 12 (Low) | Ragweed | 11 | 0.6 | 12 |
| Toton pollen count · Toton allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Trefonen pollen count · Trefonen allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Trent pollen count · Trent allergies | 12 (Low) | Ragweed | 12 | 0.6 | 9 |
| Troston pollen count · Troston allergies | 12 (Low) | Ragweed | 9 | 0.6 | 12 |
| Tycroes pollen count · Tycroes allergies | 12 (Low) | Ragweed | 12 | 0.6 | 6 |
| Tyn-y-Gongl pollen count · Tyn-y-Gongl allergies | 12 (Low) | Ragweed | 12 | 0.6 | 8 |
| Tynings Farm pollen count · Tynings Farm allergies | 12 (Low) | Ragweed | 12 | 0.6 | 7 |
| Ubley pollen count · Ubley allergies | 12 (Low) | Ragweed | 12 | 0.6 | 8 |
| Ulrome pollen count · Ulrome allergies | 12 (Low) | Ragweed | 9 | 0.6 | 12 |
| Upavon pollen count · Upavon allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Upper Broughton pollen count · Upper Broughton allergies | 12 (Low) | Ragweed | 7 | 0.6 | 12 |
| Upper Heyford pollen count · Upper Heyford allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Upper Langwith pollen count · Upper Langwith allergies | 12 (Low) | Ragweed | 9 | 0.6 | 12 |
| Vale of Leven pollen count · Vale of Leven allergies | 12 (Low) | Grass | 1 | 12 | 6 |
| Vernham Dean pollen count · Vernham Dean allergies | 12 (Low) | Ragweed | 12 | 0.6 | 10 |
| Victoria Bridge pollen count · Victoria Bridge allergies | 12 (Low) | Grass | 6 | 12 | 8 |
| Wadebridge pollen count · Wadebridge allergies | 12 (Low) | Ragweed | 12 | 0.6 | 7 |
| Walberswick pollen count · Walberswick allergies | 12 (Low) | Ragweed | 12 | 0.6 | 10 |
| Waldringfield pollen count · Waldringfield allergies | 12 (Low) | Ragweed | 12 | 0.6 | 9 |
| Walkington pollen count · Walkington allergies | 12 (Low) | Ragweed | 7 | 0.6 | 12 |
| Waltham on the Wolds pollen count · Waltham on the Wolds allergies | 12 (Low) | Ragweed | 6 | 0.6 | 12 |
| Wantage pollen count · Wantage allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Wareham pollen count · Wareham allergies | 12 (Low) | Tree | 12 | 0.6 | 6 |
| Warsop pollen count · Warsop allergies | 12 (Low) | Ragweed | 9 | 0.6 | 12 |
| Warwick pollen count · Warwick allergies | 12 (Low) | Ragweed | 12 | 0.6 | 10 |
| Waterbeach pollen count · Waterbeach allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Watlington pollen count · Watlington allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Wattisfield pollen count · Wattisfield allergies | 12 (Low) | Ragweed | 9 | 0.6 | 12 |
| Wattisham pollen count · Wattisham allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Wawne pollen count · Wawne allergies | 12 (Low) | Ragweed | 8 | 0.6 | 12 |
| Weaverthorpe pollen count · Weaverthorpe allergies | 12 (Low) | Ragweed | 6 | 0.6 | 12 |
| Wedmore pollen count · Wedmore allergies | 12 (Low) | Ragweed | 12 | 0.6 | 7 |
| Wednesfield pollen count · Wednesfield allergies | 12 (Low) | Ragweed | 12 | 0.6 | 10 |
| Wellbank pollen count · Wellbank allergies | 12 (Low) | Grass | 5 | 12 | 12 |
| Wellesbourne pollen count · Wellesbourne allergies | 12 (Low) | Ragweed | 12 | 0.6 | 12 |
| Wellesbourne Mountford pollen count · Wellesbourne Mountford allergies | 12 (Low) | Ragweed | 12 | 0.6 | 12 |
| Wells pollen count · Wells allergies | 12 (Low) | Ragweed | 12 | 0.6 | 8 |
| Welney pollen count · Welney allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Wendens Ambo pollen count · Wendens Ambo allergies | 12 (Low) | Ragweed | 9 | 0.6 | 12 |
| West Bay pollen count · West Bay allergies | 12 (Low) | Ragweed | 12 | 0.6 | 6 |
| West Bridgford pollen count · West Bridgford allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| West Camel pollen count · West Camel allergies | 12 (Low) | Ragweed | 12 | 0.6 | 9 |
| West Ilsley pollen count · West Ilsley allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| West Pennard pollen count · West Pennard allergies | 12 (Low) | Ragweed | 12 | 0.6 | 8 |
| West Wratting pollen count · West Wratting allergies | 12 (Low) | Ragweed | 9 | 0.6 | 12 |
| Westbury-sub-Mendip pollen count · Westbury-sub-Mendip allergies | 12 (Low) | Ragweed | 12 | 0.6 | 7 |
| Westerfield pollen count · Westerfield allergies | 12 (Low) | Ragweed | 12 | 0.6 | 8 |
| Wetwang pollen count · Wetwang allergies | 12 (Low) | Ragweed | 6 | 0.6 | 12 |
| Weyhill pollen count · Weyhill allergies | 12 (Low) | Ragweed | 11 | 0.6 | 12 |
| Wheatley pollen count · Wheatley allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Wheldrake pollen count · Wheldrake allergies | 12 (Low) | Ragweed | 6 | 0.6 | 12 |
| Wherwell pollen count · Wherwell allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Whetstone pollen count · Whetstone allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Whissonsett pollen count · Whissonsett allergies | 12 (Low) | Ragweed | 8 | 0.6 | 12 |
| Whitchurch Canonicorum pollen count · Whitchurch Canonicorum allergies | 12 (Low) | Tree | 12 | 0.6 | 6 |
| Whittlesford pollen count · Whittlesford allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Whitwell pollen count · Whitwell allergies | 12 (Low) | Ragweed | 9 | 0.6 | 12 |
| Whixley pollen count · Whixley allergies | 12 (Low) | Ragweed | 6 | 0.6 | 12 |
| Wicken pollen count · Wicken allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Wicken Bonhunt pollen count · Wicken Bonhunt allergies | 12 (Low) | Ragweed | 9 | 0.6 | 12 |
| Wickhambrook pollen count · Wickhambrook allergies | 12 (Low) | Ragweed | 9 | 0.6 | 12 |
| Wickhamford pollen count · Wickhamford allergies | 12 (Low) | Ragweed | 12 | 0.6 | 10 |
| Widdington pollen count · Widdington allergies | 12 (Low) | Ragweed | 9 | 0.6 | 12 |
| Widmerpool pollen count · Widmerpool allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Wilberfoss pollen count · Wilberfoss allergies | 12 (Low) | Ragweed | 6 | 0.6 | 12 |
| Wilburton pollen count · Wilburton allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Willenhall pollen count · Willenhall allergies | 12 (Low) | Ragweed | 12 | 0.6 | 10 |
| Willingham pollen count · Willingham allergies | 12 (Low) | Ragweed | 11 | 0.6 | 12 |
| Willoughby on the Wolds pollen count · Willoughby on the Wolds allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Wimblington pollen count · Wimblington allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Winscombe pollen count · Winscombe allergies | 12 (Low) | Ragweed | 12 | 0.6 | 7 |
| Winterbourne pollen count · Winterbourne allergies | 12 (Low) | Ragweed | 12 | 0.6 | 8 |
| Winterhead pollen count · Winterhead allergies | 12 (Low) | Ragweed | 12 | 0.6 | 7 |
| Winteringham pollen count · Winteringham allergies | 12 (Low) | Ragweed | 6 | 0.6 | 12 |
| Winterton pollen count · Winterton allergies | 12 (Low) | Ragweed | 6 | 0.6 | 12 |
| Witcham pollen count · Witcham allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Witchford pollen count · Witchford allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Withernwick pollen count · Withernwick allergies | 12 (Low) | Ragweed | 8 | 0.6 | 12 |
| Witnesham pollen count · Witnesham allergies | 12 (Low) | Ragweed | 12 | 0.6 | 8 |
| Witney pollen count · Witney allergies | 12 (Low) | Ragweed | 12 | 0.6 | 9 |
| Wiveliscombe pollen count · Wiveliscombe allergies | 12 (Low) | Ragweed | 12 | 0.6 | 9 |
| Wolverhampton pollen count · Wolverhampton allergies | 12 (Low) | Ragweed | 12 | 0.6 | 10 |
| Wombourne pollen count · Wombourne allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Woodborough pollen count · Woodborough allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Woodbridge pollen count · Woodbridge allergies | 12 (Low) | Ragweed | 12 | 0.6 | 9 |
| Woodham Mortimer pollen count · Woodham Mortimer allergies | 12 (Low) | Ragweed | 12 | 0.6 | 9 |
| Woodhouse pollen count · Woodhouse allergies | 12 (Low) | Ragweed | 12 | 0.6 | 12 |
| Woodsetts pollen count · Woodsetts allergies | 12 (Low) | Ragweed | 9 | 0.6 | 12 |
| Woodstock pollen count · Woodstock allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Wookey pollen count · Wookey allergies | 12 (Low) | Ragweed | 12 | 0.6 | 7 |
| Woolpit pollen count · Woolpit allergies | 12 (Low) | Ragweed | 9 | 0.6 | 12 |
| Worminghall pollen count · Worminghall allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Wrentham pollen count · Wrentham allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Wymeswold pollen count · Wymeswold allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Wymondham pollen count · Wymondham allergies | 12 (Low) | Ragweed | 6 | 0.6 | 12 |
| Wysall pollen count · Wysall allergies | 12 (Low) | Ragweed | 12 | 0.6 | 11 |
| Y Felinheli pollen count · Y Felinheli allergies | 12 (Low) | Ragweed | 12 | 0.6 | 8 |
| Yarnton pollen count · Yarnton allergies | 12 (Low) | Ragweed | 12 | 0.6 | 8 |
| Yaxham pollen count · Yaxham allergies | 12 (Low) | Ragweed | 10 | 0.6 | 12 |
| Abbotsley pollen count · Abbotsley allergies | 11 (Low) | Ragweed | 11 | 0.6 | 11 |
| Abbotts Ann pollen count · Abbotts Ann allergies | 11 (Low) | Ragweed | 11 | 0.6 | 10 |
| Abercarn pollen count · Abercarn allergies | 11 (Low) | Ragweed | 11 | 0.6 | 7 |
| Abergavenny pollen count · Abergavenny allergies | 11 (Low) | Ragweed | 11 | 0.6 | 8 |
| Abersoch pollen count · Abersoch allergies | 11 (Low) | Tree | 11 | 0.6 | 5 |
| Ahoghill pollen count · Ahoghill allergies | 11 (Low) | Grass | 6 | 11 | 7 |
| Akeley pollen count · Akeley allergies | 11 (Low) | Ragweed | 10 | 0.6 | 11 |
| Alburgh pollen count · Alburgh allergies | 11 (Low) | Ragweed | 9 | 0.6 | 11 |
| Alconbury pollen count · Alconbury allergies | 11 (Low) | Ragweed | 10 | 0.6 | 11 |
| Aldeburgh pollen count · Aldeburgh allergies | 11 (Low) | Ragweed | 9 | 0.6 | 11 |
| Alderbury pollen count · Alderbury allergies | 11 (Low) | Ragweed | 11 | 0.6 | 9 |
| Alderholt pollen count · Alderholt allergies | 11 (Low) | Ragweed | 11 | 0.6 | 6 |
| Aldwincle St Peter pollen count · Aldwincle St Peter allergies | 11 (Low) | Ragweed | 8 | 0.6 | 11 |
| Alford pollen count · Alford allergies | 11 (Low) | Ragweed | 6 | 0.6 | 11 |
| Allington pollen count · Allington allergies | 11 (Low) | Ragweed | 6 | 0.6 | 11 |
| Alne pollen count · Alne allergies | 11 (Low) | Ragweed | 6 | 0.6 | 11 |
| Alrewas pollen count · Alrewas allergies | 11 (Low) | Ragweed | 9 | 0.6 | 11 |
| Altrincham pollen count · Altrincham allergies | 11 (Low) | Ragweed | 11 | 0.6 | 9 |
| Alveley pollen count · Alveley allergies | 11 (Low) | Ragweed | 11 | 0.6 | 11 |
| Amble pollen count · Amble allergies | 11 (Low) | Ragweed | 11 | 4 | 11 |
| Amesbury pollen count · Amesbury allergies | 11 (Low) | Ragweed | 10 | 0.6 | 11 |
| Ancaster pollen count · Ancaster allergies | 11 (Low) | Ragweed | 6 | 0.6 | 11 |
| Andover pollen count · Andover allergies | 11 (Low) | Ragweed | 11 | 0.6 | 10 |
| Andoversford pollen count · Andoversford allergies | 11 (Low) | Ragweed | 11 | 0.6 | 9 |
| Anna Valley pollen count · Anna Valley allergies | 11 (Low) | Ragweed | 11 | 0.6 | 10 |
| Annahilt pollen count · Annahilt allergies | 11 (Low) | Grass | 7 | 11 | 8 |
| Anwick pollen count · Anwick allergies | 11 (Low) | Ragweed | 7 | 0.6 | 11 |
| Arlesey pollen count · Arlesey allergies | 11 (Low) | Ragweed | 10 | 0.6 | 11 |
| Ascott under Wychwood pollen count · Ascott under Wychwood allergies | 11 (Low) | Ragweed | 10 | 0.6 | 11 |
| Ashill pollen count · Ashill allergies | 11 (Low) | Ragweed | 8 | 0.6 | 11 |
| Ashington pollen count · Ashington allergies | 11 (Low) | Ragweed | 11 | 4 | 9 |
| Ashwellthorpe pollen count · Ashwellthorpe allergies | 11 (Low) | Ragweed | 9 | 0.6 | 11 |
| Aslackby pollen count · Aslackby allergies | 11 (Low) | Ragweed | 7 | 0.6 | 11 |
| Assington pollen count · Assington allergies | 11 (Low) | Ragweed | 11 | 0.6 | 11 |
| Aston pollen count · Aston allergies | 11 (Low) | Ragweed | 10 | 0.6 | 11 |
| Aston Rowant pollen count · Aston Rowant allergies | 11 (Low) | Ragweed | 11 | 0.6 | 9 |
| Aston-on-Trent pollen count · Aston-on-Trent allergies | 11 (Low) | Ragweed | 10 | 0.6 | 11 |
| Austrey pollen count · Austrey allergies | 11 (Low) | Ragweed | 9 | 0.6 | 11 |
| Austwick pollen count · Austwick allergies | 11 (Low) | Grass | 1 | 11 | 6 |
| Aylesbeare pollen count · Aylesbeare allergies | 11 (Low) | Ragweed | 11 | 0.6 | 8 |
| Aylestone pollen count · Aylestone allergies | 11 (Low) | Ragweed | 11 | 0.6 | 10 |
| Aylmerton pollen count · Aylmerton allergies | 11 (Low) | Ragweed | 11 | 0.6 | 8 |
| Bacton pollen count · Bacton allergies | 11 (Low) | Ragweed | 9 | 0.6 | 11 |
| Badingham pollen count · Badingham allergies | 11 (Low) | Ragweed | 10 | 0.6 | 11 |
| Bagby pollen count · Bagby allergies | 11 (Low) | Ragweed | 4 | 1 | 11 |
| Bagillt pollen count · Bagillt allergies | 11 (Low) | Ragweed | 11 | 0.6 | 9 |
| Balerno pollen count · Balerno allergies | 11 (Low) | Ragweed | 7 | 8 | 11 |
| Ballynahinch pollen count · Ballynahinch allergies | 11 (Low) | Grass | 7 | 11 | 7 |
| Bampton pollen count · Bampton allergies | 11 (Low) | Ragweed | 10 | 0.6 | 11 |
| Bangor pollen count · Bangor allergies | 11 (Low) | Grass | 11 | 7 | 7 |
| Banham pollen count · Banham allergies | 11 (Low) | Ragweed | 9 | 0.6 | 11 |
| Barford St Martin pollen count · Barford St Martin allergies | 11 (Low) | Ragweed | 11 | 0.6 | 11 |
| Barkston pollen count · Barkston allergies | 11 (Low) | Ragweed | 6 | 0.6 | 11 |
| Barlborough pollen count · Barlborough allergies | 11 (Low) | Ragweed | 9 | 0.6 | 11 |
| Barnby pollen count · Barnby allergies | 11 (Low) | Ragweed | 10 | 0.6 | 11 |
| Barnwell pollen count · Barnwell allergies | 11 (Low) | Ragweed | 8 | 0.6 | 11 |
| Barrowden pollen count · Barrowden allergies | 11 (Low) | Ragweed | 7 | 0.6 | 11 |
| Barton Mills pollen count · Barton Mills allergies | 11 (Low) | Ragweed | 9 | 0.6 | 11 |
| Bassingbourn pollen count · Bassingbourn allergies | 11 (Low) | Ragweed | 10 | 0.6 | 11 |
| Batcombe pollen count · Batcombe allergies | 11 (Low) | Ragweed | 11 | 0.6 | 8 |
| Beachamwell pollen count · Beachamwell allergies | 11 (Low) | Ragweed | 9 | 0.6 | 11 |
| Beaworthy pollen count · Beaworthy allergies | 11 (Low) | Ragweed | 11 | 0.6 | 6 |
| Bedale pollen count · Bedale allergies | 11 (Low) | Ragweed | 5 | 0.6 | 11 |
| Beeston pollen count · Beeston allergies | 11 (Low) | Ragweed | 8 | 0.6 | 11 |
| Beetley pollen count · Beetley allergies | 11 (Low) | Ragweed | 8 | 0.6 | 11 |
| Beighton pollen count · Beighton allergies | 11 (Low) | Ragweed | 9 | 0.6 | 11 |
| Belgrave pollen count · Belgrave allergies | 11 (Low) | Ragweed | 11 | 0.6 | 10 |
| Bere Regis pollen count · Bere Regis allergies | 11 (Low) | Ragweed | 11 | 0.6 | 8 |
| Bicker pollen count · Bicker allergies | 11 (Low) | Ragweed | 7 | 0.6 | 11 |
| Biggleswade pollen count · Biggleswade allergies | 11 (Low) | Ragweed | 10 | 0.6 | 11 |
| Billingborough pollen count · Billingborough allergies | 11 (Low) | Ragweed | 7 | 0.6 | 11 |
| Billinghay pollen count · Billinghay allergies | 11 (Low) | Ragweed | 7 | 0.6 | 11 |
| Birchington-on-Sea pollen count · Birchington-on-Sea allergies | 11 (Low) | Ragweed | 11 | 0.6 | 8 |
| Birstall pollen count · Birstall allergies | 11 (Low) | Ragweed | 11 | 0.6 | 11 |
| Bishop's Castle pollen count · Bishop's Castle allergies | 11 (Low) | Ragweed | 7 | 3 | 11 |
| Bishops Cleeve pollen count · Bishops Cleeve allergies | 11 (Low) | Ragweed | 11 | 0.6 | 9 |
| Blaenavon pollen count · Blaenavon allergies | 11 (Low) | Ragweed | 11 | 0.6 | 8 |
| Blakesley pollen count · Blakesley allergies | 11 (Low) | Ragweed | 8 | 0.6 | 11 |
| Blandford Forum pollen count · Blandford Forum allergies | 11 (Low) | Ragweed | 11 | 0.6 | 8 |
| Bledington pollen count · Bledington allergies | 11 (Low) | Ragweed | 10 | 0.6 | 11 |
| Blockley pollen count · Blockley allergies | 11 (Low) | Ragweed | 10 | 0.6 | 11 |
| Blunham pollen count · Blunham allergies | 11 (Low) | Ragweed | 10 | 0.6 | 11 |
| Bluntisham pollen count · Bluntisham allergies | 11 (Low) | Ragweed | 11 | 0.6 | 11 |
| Borrowash pollen count · Borrowash allergies | 11 (Low) | Ragweed | 10 | 0.6 | 11 |
| Borrowby pollen count · Borrowby allergies | 11 (Low) | Ragweed | 4 | 1 | 11 |
| Botesdale pollen count · Botesdale allergies | 11 (Low) | Ragweed | 9 | 0.6 | 11 |
| Bourn pollen count · Bourn allergies | 11 (Low) | Ragweed | 11 | 0.6 | 11 |
| Bourton pollen count · Bourton allergies | 11 (Low) | Ragweed | 11 | 0.6 | 9 |
| Bovington Camp pollen count · Bovington Camp allergies | 11 (Low) | Ragweed | 11 | 0.6 | 6 |
| Bow pollen count · Bow allergies | 11 (Low) | Ragweed | 11 | 0.6 | 7 |
| Bowdon pollen count · Bowdon allergies | 11 (Low) | Ragweed | 11 | 0.6 | 9 |
| Bowthorpe pollen count · Bowthorpe allergies | 11 (Low) | Ragweed | 10 | 0.6 | 11 |
| Boxford pollen count · Boxford allergies | 11 (Low) | Ragweed | 9 | 0.6 | 11 |
| Boxted pollen count · Boxted allergies | 11 (Low) | Ragweed | 11 | 0.6 | 8 |
| Bradninch pollen count · Bradninch allergies | 11 (Low) | Ragweed | 11 | 0.6 | 7 |
| Brailsford pollen count · Brailsford allergies | 11 (Low) | Ragweed | 10 | 0.6 | 11 |
| Bramfield pollen count · Bramfield allergies | 11 (Low) | Ragweed | 9 | 0.6 | 11 |
| Bramhall pollen count · Bramhall allergies | 11 (Low) | Ragweed | 11 | 0.6 | 9 |
| Brampford Speke pollen count · Brampford Speke allergies | 11 (Low) | Ragweed | 11 | 0.6 | 8 |
| Brampton pollen count · Brampton allergies | 11 (Low) | Ragweed | 11 | 0.6 | 10 |
| Bridgnorth pollen count · Bridgnorth allergies | 11 (Low) | Ragweed | 11 | 0.6 | 11 |
| Brinklow pollen count · Brinklow allergies | 11 (Low) | Ragweed | 7 | 0.6 | 11 |
| Broad Chalke pollen count · Broad Chalke allergies | 11 (Low) | Ragweed | 11 | 0.6 | 11 |
| Broadstairs pollen count · Broadstairs allergies | 11 (Low) | Ragweed | 11 | 0.6 | 7 |
| Brompton pollen count · Brompton allergies | 11 (Low) | Ragweed | 5 | 0.6 | 11 |
| Brooke pollen count · Brooke allergies | 11 (Low) | Ragweed | 10 | 0.6 | 11 |
| Broseley pollen count · Broseley allergies | 11 (Low) | Ragweed | 11 | 0.6 | 10 |
| Bruton pollen count · Bruton allergies | 11 (Low) | Ragweed | 11 | 0.6 | 8 |
| Buckden pollen count · Buckden allergies | 11 (Low) | Ragweed | 11 | 0.6 | 10 |
| Buckingham pollen count · Buckingham allergies | 11 (Low) | Ragweed | 10 | 0.6 | 11 |
| Buckland pollen count · Buckland allergies | 11 (Low) | Ragweed | 10 | 0.6 | 11 |
| Bucklesham pollen count · Bucklesham allergies | 11 (Low) | Ragweed | 11 | 0.6 | 10 |
| Budleigh Salterton pollen count · Budleigh Salterton allergies | 11 (Low) | Ragweed | 11 | 0.6 | 7 |
| Bulford pollen count · Bulford allergies | 11 (Low) | Ragweed | 10 | 0.6 | 11 |
| Bungay pollen count · Bungay allergies | 11 (Low) | Ragweed | 10 | 0.6 | 11 |
| Bures Saint Mary pollen count · Bures Saint Mary allergies | 11 (Low) | Ragweed | 11 | 0.6 | 11 |
| Burgh le Marsh pollen count · Burgh le Marsh allergies | 11 (Low) | Ragweed | 6 | 0.6 | 11 |
| Burston pollen count · Burston allergies | 11 (Low) | Ragweed | 9 | 0.6 | 11 |
| Burton Agnes pollen count · Burton Agnes allergies | 11 (Low) | Ragweed | 7 | 0.6 | 11 |
| Burton Lazars pollen count · Burton Lazars allergies | 11 (Low) | Ragweed | 7 | 0.6 | 11 |
| Cadnam pollen count · Cadnam allergies | 11 (Low) | Tree | 11 | 0.6 | 5 |
| Caerwys pollen count · Caerwys allergies | 11 (Low) | Ragweed | 11 | 0.6 | 9 |
| Callaly pollen count · Callaly allergies | 11 (Low) | Grass | 2 | 11 | 8 |
| Calne pollen count · Calne allergies | 11 (Low) | Ragweed | 9 | 0.6 | 11 |
| Cambourne pollen count · Cambourne allergies | 11 (Low) | Ragweed | 11 | 0.6 | 11 |
| Cambridge pollen count · Cambridge allergies | 11 (Low) | Ragweed | 11 | 0.6 | 9 |
| Carbrooke pollen count · Carbrooke allergies | 11 (Low) | Ragweed | 8 | 0.6 | 11 |
| Cardington pollen count · Cardington allergies | 11 (Low) | Ragweed | 10 | 0.6 | 11 |
| Carlton pollen count · Carlton allergies | 11 (Low) | Ragweed | 8 | 0.6 | 11 |
| Carrickfergus pollen count · Carrickfergus allergies | 11 (Low) | Grass | 11 | 7 | 7 |
| Castle Acre pollen count · Castle Acre allergies | 11 (Low) | Ragweed | 8 | 0.6 | 11 |
| Castle Cary pollen count · Castle Cary allergies | 11 (Low) | Ragweed | 11 | 0.6 | 8 |
| Castle Hedingham pollen count · Castle Hedingham allergies | 11 (Low) | Ragweed | 10 | 0.6 | 11 |
| Caston pollen count · Caston allergies | 11 (Low) | Ragweed | 8 | 0.6 | 11 |
| Catterall pollen count · Catterall allergies | 11 (Low) | Ragweed | 11 | 4 | 11 |
| Catworth pollen count · Catworth allergies | 11 (Low) | Ragweed | 10 | 0.6 | 11 |
| Caunton pollen count · Caunton allergies | 11 (Low) | Ragweed | 7 | 0.6 | 11 |
| Caxton pollen count · Caxton allergies | 11 (Low) | Ragweed | 11 | 0.6 | 11 |
| Caythorpe pollen count · Caythorpe allergies | 11 (Low) | Ragweed | 6 | 0.6 | 11 |
| Cerne Abbas pollen count · Cerne Abbas allergies | 11 (Low) | Ragweed | 11 | 0.6 | 8 |
| Chaddesden pollen count · Chaddesden allergies | 11 (Low) | Ragweed | 10 | 0.6 | 11 |
| Chadlington pollen count · Chadlington allergies | 11 (Low) | Ragweed | 7 | 0.6 | 11 |
| Chagford pollen count · Chagford allergies | 11 (Low) | Ragweed | 11 | 0.6 | 6 |
| Chapel Saint Leonards pollen count · Chapel Saint Leonards allergies | 11 (Low) | Ragweed | 6 | 0.6 | 11 |
| Chappel pollen count · Chappel allergies | 11 (Low) | Ragweed | 11 | 0.6 | 11 |
| Charlbury pollen count · Charlbury allergies | 11 (Low) | Ragweed | 7 | 0.6 | 11 |
| Charlton Kings pollen count · Charlton Kings allergies | 11 (Low) | Ragweed | 11 | 0.6 | 9 |
| Charminster pollen count · Charminster allergies | 11 (Low) | Ragweed | 11 | 0.6 | 8 |
| Charsfield pollen count · Charsfield allergies | 11 (Low) | Ragweed | 10 | 0.6 | 11 |
| Chatham pollen count · Chatham allergies | 11 (Low) | Ragweed | 11 | 0.6 | 7 |
| Chattenden pollen count · Chattenden allergies | 11 (Low) | Ragweed | 11 | 0.6 | 7 |
| Cheadle Hulme pollen count · Cheadle Hulme allergies | 11 (Low) | Ragweed | 11 | 0.6 | 9 |
| Chelmondiston pollen count · Chelmondiston allergies | 11 (Low) | Ragweed | 11 | 0.6 | 11 |
| Cheltenham pollen count · Cheltenham allergies | 11 (Low) | Ragweed | 11 | 0.6 | 9 |
| Cherhill pollen count · Cherhill allergies | 11 (Low) | Ragweed | 9 | 0.6 | 11 |
| Cherington pollen count · Cherington allergies | 11 (Low) | Ragweed | 7 | 0.6 | 11 |
| Cheriton Bishop pollen count · Cheriton Bishop allergies | 11 (Low) | Ragweed | 11 | 0.6 | 7 |
| Cheriton Fitzpaine pollen count · Cheriton Fitzpaine allergies | 11 (Low) | Ragweed | 11 | 0.6 | 7 |
| Cheselbourne pollen count · Cheselbourne allergies | 11 (Low) | Ragweed | 11 | 0.6 | 9 |
| Child Okeford pollen count · Child Okeford allergies | 11 (Low) | Ragweed | 11 | 0.6 | 8 |
| Childrey pollen count · Childrey allergies | 11 (Low) | Ragweed | 10 | 0.6 | 11 |
| Chilmark pollen count · Chilmark allergies | 11 (Low) | Ragweed | 11 | 0.6 | 9 |
| Chilton Foliat pollen count · Chilton Foliat allergies | 11 (Low) | Ragweed | 9 | 0.6 | 11 |
| Chinnor pollen count · Chinnor allergies | 11 (Low) | Ragweed | 11 | 0.6 | 9 |
| Chipping Campden pollen count · Chipping Campden allergies | 11 (Low) | Ragweed | 10 | 0.6 | 11 |
| Chipping Norton pollen count · Chipping Norton allergies | 11 (Low) | Ragweed | 7 | 0.6 | 11 |
| Chirk pollen count · Chirk allergies | 11 (Low) | Ragweed | 11 | 0.6 | 11 |
| Choppington pollen count · Choppington allergies | 11 (Low) | Ragweed | 11 | 4 | 9 |
| Chorlton pollen count · Chorlton allergies | 11 (Low) | Ragweed | 11 | 0.6 | 9 |
| Christow pollen count · Christow allergies | 11 (Low) | Tree | 11 | 0.6 | 5 |
| Chulmleigh pollen count · Chulmleigh allergies | 11 (Low) | Ragweed | 11 | 0.6 | 7 |
| Claypole pollen count · Claypole allergies | 11 (Low) | Ragweed | 6 | 0.6 | 11 |
| Cleveleys pollen count · Cleveleys allergies | 11 (Low) | Ragweed | 11 | 0.6 | 7 |
| Clifton Campville pollen count · Clifton Campville allergies | 11 (Low) | Ragweed | 9 | 0.6 | 11 |
| Clipston pollen count · Clipston allergies | 11 (Low) | Ragweed | 6 | 0.6 | 11 |
| Clowne pollen count · Clowne allergies | 11 (Low) | Ragweed | 9 | 0.6 | 11 |
| Clyst Honiton pollen count · Clyst Honiton allergies | 11 (Low) | Ragweed | 11 | 0.6 | 8 |
| Clyst St Mary pollen count · Clyst St Mary allergies | 11 (Low) | Tree | 11 | 0.6 | 6 |
| Coggeshall pollen count · Coggeshall allergies | 11 (Low) | Ragweed | 11 | 0.6 | 11 |
| Colaton Raleigh pollen count · Colaton Raleigh allergies | 11 (Low) | Ragweed | 11 | 0.6 | 7 |
| Colchester pollen count · Colchester allergies | 11 (Low) | Ragweed | 11 | 0.6 | 8 |
| Colinton pollen count · Colinton allergies | 11 (Low) | Ragweed | 7 | 8 | 11 |
| Comber pollen count · Comber allergies | 11 (Low) | Ragweed | 10 | 7 | 11 |
| Compton Abbas pollen count · Compton Abbas allergies | 11 (Low) | Ragweed | 11 | 0.6 | 7 |
| Connor pollen count · Connor allergies | 11 (Low) | Grass | 6 | 11 | 7 |
| Cookley pollen count · Cookley allergies | 11 (Low) | Ragweed | 10 | 0.6 | 11 |
| Coombe Bissett pollen count · Coombe Bissett allergies | 11 (Low) | Ragweed | 11 | 0.6 | 8 |
| Cople pollen count · Cople allergies | 11 (Low) | Ragweed | 10 | 0.6 | 11 |
| Copplestone pollen count · Copplestone allergies | 11 (Low) | Ragweed | 11 | 0.6 | 7 |
| Corbridge pollen count · Corbridge allergies | 11 (Low) | Grass | 3 | 9 | 11 |
| Coton pollen count · Coton allergies | 11 (Low) | Ragweed | 11 | 0.6 | 9 |
| Coton in the Elms pollen count · Coton in the Elms allergies | 11 (Low) | Ragweed | 9 | 0.6 | 11 |
| Cottingham pollen count · Cottingham allergies | 11 (Low) | Ragweed | 7 | 0.6 | 11 |