| Alleman pollen count · Alleman allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| Atkins pollen count · Atkins allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| Cambridge pollen count · Cambridge allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| Dallas Center pollen count · Dallas Center allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| Denver pollen count · Denver allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| Elkhart pollen count · Elkhart allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| Ely pollen count · Ely allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| Fairbank pollen count · Fairbank allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| Fairfax pollen count · Fairfax allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| Fredericksburg pollen count · Fredericksburg allergies | 30 (Low) | Ragweed | 0.6 | 0.6 | 39 |
| Frederika pollen count · Frederika allergies | 30 (Low) | Ragweed | 0.6 | 0.6 | 39 |
| Frytown pollen count · Frytown allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| Granger pollen count · Granger allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| Grimes pollen count · Grimes allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| Hills pollen count · Hills allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| Huxley pollen count · Huxley allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| Janesville pollen count · Janesville allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| Kelley pollen count · Kelley allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| Loveland pollen count · Loveland allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| Luther pollen count · Luther allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| Madrid pollen count · Madrid allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| Minden pollen count · Minden allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| Newhall pollen count · Newhall allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| Norway pollen count · Norway allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| Oxford pollen count · Oxford allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| Readlyn pollen count · Readlyn allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| Sheldahl pollen count · Sheldahl allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| Shueyville pollen count · Shueyville allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| Slater pollen count · Slater allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| South Amana pollen count · South Amana allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| Sumner pollen count · Sumner allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| Swisher pollen count · Swisher allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| Tripoli pollen count · Tripoli allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| Walford pollen count · Walford allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| Watkins pollen count · Watkins allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| West Amana pollen count · West Amana allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| Woodward pollen count · Woodward allergies | 30 (Low) | Ragweed | 0.6 | 1 | 39 |
| Alburnett pollen count · Alburnett allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Andover pollen count · Andover allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Balltown pollen count · Balltown allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Bennett pollen count · Bennett allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Bentley pollen count · Bentley allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Center Point pollen count · Center Point allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Charlotte pollen count · Charlotte allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Coggon pollen count · Coggon allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| DeWitt pollen count · DeWitt allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Delmar pollen count · Delmar allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Dixon pollen count · Dixon allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Donahue pollen count · Donahue allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Dunkerton pollen count · Dunkerton allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Durant pollen count · Durant allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Grand Mound pollen count · Grand Mound allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Holy Cross pollen count · Holy Cross allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Long Grove pollen count · Long Grove allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Lost Nation pollen count · Lost Nation allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Low Moor pollen count · Low Moor allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Lowden pollen count · Lowden allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Malvern pollen count · Malvern allergies | 29 (Low) | Ragweed | 0.6 | 2 | 38 |
| Masonville pollen count · Masonville allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Maysville pollen count · Maysville allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| McCausland pollen count · McCausland allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| McClelland pollen count · McClelland allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Miles pollen count · Miles allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Mineola pollen count · Mineola allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Neola pollen count · Neola allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| New Liberty pollen count · New Liberty allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Oxford Junction pollen count · Oxford Junction allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Pacific Junction pollen count · Pacific Junction allergies | 29 (Low) | Ragweed | 0.6 | 2 | 38 |
| Palo pollen count · Palo allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Park View pollen count · Park View allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Plainview pollen count · Plainview allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Princeton pollen count · Princeton allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Quasqueton pollen count · Quasqueton allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Rickardsville pollen count · Rickardsville allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Rowley pollen count · Rowley allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Shellsburg pollen count · Shellsburg allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Silver City pollen count · Silver City allergies | 29 (Low) | Ragweed | 0.6 | 2 | 38 |
| Spragueville pollen count · Spragueville allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Springbrook pollen count · Springbrook allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Stockton pollen count · Stockton allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Tiffin pollen count · Tiffin allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Toronto pollen count · Toronto allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Treynor pollen count · Treynor allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Underwood pollen count · Underwood allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Urbana pollen count · Urbana allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Van Meter pollen count · Van Meter allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Walcott pollen count · Walcott allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Walker pollen count · Walker allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Welton pollen count · Welton allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Weston pollen count · Weston allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Winthrop pollen count · Winthrop allergies | 29 (Low) | Ragweed | 0.6 | 1 | 38 |
| Ackley pollen count · Ackley allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Ackworth pollen count · Ackworth allergies | 28 (Low) | Ragweed | 0.6 | 2 | 36 |
| Adair pollen count · Adair allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Ainsworth pollen count · Ainsworth allergies | 28 (Low) | Ragweed | 0.6 | 2 | 36 |
| Akron pollen count · Akron allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Albert City pollen count · Albert City allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Albion pollen count · Albion allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Alden pollen count · Alden allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Alexander pollen count · Alexander allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Allison pollen count · Allison allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Alta pollen count · Alta allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Alta Vista pollen count · Alta Vista allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Alton pollen count · Alton allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Altoona pollen count · Altoona allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Alvord pollen count · Alvord allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Amana pollen count · Amana allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Anderson pollen count · Anderson allergies | 28 (Low) | Ragweed | 0.6 | 2 | 36 |
| Andrew pollen count · Andrew allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Anthon pollen count · Anthon allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Aplington pollen count · Aplington allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Arcadia pollen count · Arcadia allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Archer pollen count · Archer allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Aredale pollen count · Aredale allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Arlington pollen count · Arlington allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Armstrong pollen count · Armstrong allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Arthur pollen count · Arthur allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Ashton pollen count · Ashton allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Atalissa pollen count · Atalissa allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Auburn pollen count · Auburn allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Audubon pollen count · Audubon allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Aurelia pollen count · Aurelia allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Aurora pollen count · Aurora allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Avoca pollen count · Avoca allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Ayrshire pollen count · Ayrshire allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Badger pollen count · Badger allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Bagley pollen count · Bagley allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Baldwin pollen count · Baldwin allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Bancroft pollen count · Bancroft allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Bankston pollen count · Bankston allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Barnum pollen count · Barnum allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Bartlett pollen count · Bartlett allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Battle Creek pollen count · Battle Creek allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Baxter pollen count · Baxter allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Bayard pollen count · Bayard allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Beaman pollen count · Beaman allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Beaver pollen count · Beaver allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Belmond pollen count · Belmond allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Berkley pollen count · Berkley allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Bernard pollen count · Bernard allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Bertram pollen count · Bertram allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Bevington pollen count · Bevington allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Birmingham pollen count · Birmingham allergies | 28 (Low) | Ragweed | 0.6 | 2 | 36 |
| Blairsburg pollen count · Blairsburg allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Blencoe pollen count · Blencoe allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Bode pollen count · Bode allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Bolan pollen count · Bolan allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Bondurant pollen count · Bondurant allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Bouton pollen count · Bouton allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Boxholm pollen count · Boxholm allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Boyden pollen count · Boyden allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Bradford pollen count · Bradford allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Bradgate pollen count · Bradgate allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Brandon pollen count · Brandon allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Brayton pollen count · Brayton allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Breda pollen count · Breda allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Brighton pollen count · Brighton allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Bristow pollen count · Bristow allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Britt pollen count · Britt allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Bronson pollen count · Bronson allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Brunsville pollen count · Brunsville allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Buckeye pollen count · Buckeye allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Buffalo Center pollen count · Buffalo Center allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Burchinal pollen count · Burchinal allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Burr Oak pollen count · Burr Oak allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Burt pollen count · Burt allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| California Junction pollen count · California Junction allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Callender pollen count · Callender allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Calmar pollen count · Calmar allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Calumet pollen count · Calumet allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Carlisle pollen count · Carlisle allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Carpenter pollen count · Carpenter allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Cascade pollen count · Cascade allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Casey pollen count · Casey allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Castalia pollen count · Castalia allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Castana pollen count · Castana allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Center Junction pollen count · Center Junction allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Chapin pollen count · Chapin allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Charter Oak pollen count · Charter Oak allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Chatsworth pollen count · Chatsworth allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Chester pollen count · Chester allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Churdan pollen count · Churdan allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Clare pollen count · Clare allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Clarence pollen count · Clarence allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Clarion pollen count · Clarion allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Clarksville pollen count · Clarksville allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Clear Lake pollen count · Clear Lake allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Cleghorn pollen count · Cleghorn allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Clemons pollen count · Clemons allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Climbing Hill pollen count · Climbing Hill allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Clinton pollen count · Clinton allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Clutier pollen count · Clutier allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Coalville pollen count · Coalville allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Colesburg pollen count · Colesburg allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Colfax pollen count · Colfax allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Collins pollen count · Collins allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Colo pollen count · Colo allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Colwell pollen count · Colwell allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Conesville pollen count · Conesville allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Conrad pollen count · Conrad allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Coon Rapids pollen count · Coon Rapids allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Correctionville pollen count · Correctionville allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Corwith pollen count · Corwith allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Cotter pollen count · Cotter allergies | 28 (Low) | Ragweed | 0.6 | 2 | 36 |
| Coulter pollen count · Coulter allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Craig pollen count · Craig allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Crawfordsville pollen count · Crawfordsville allergies | 28 (Low) | Ragweed | 0.6 | 2 | 36 |
| Cresco pollen count · Cresco allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Cromwell pollen count · Cromwell allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Crystal Lake pollen count · Crystal Lake allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Curlew pollen count · Curlew allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Cushing pollen count · Cushing allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Cylinder pollen count · Cylinder allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Dakota City pollen count · Dakota City allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Dana pollen count · Dana allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Danbury pollen count · Danbury allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Danville pollen count · Danville allergies | 28 (Low) | Ragweed | 0.6 | 2 | 36 |
| Davenport pollen count · Davenport allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Dawson pollen count · Dawson allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Dayton pollen count · Dayton allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Dedham pollen count · Dedham allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Delaware pollen count · Delaware allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Delhi pollen count · Delhi allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Deloit pollen count · Deloit allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Delta pollen count · Delta allergies | 28 (Low) | Ragweed | 0.6 | 2 | 36 |
| Denmark pollen count · Denmark allergies | 28 (Low) | Ragweed | 0.6 | 2 | 36 |
| Dexter pollen count · Dexter allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Dickens pollen count · Dickens allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Dike pollen count · Dike allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Dolliver pollen count · Dolliver allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Donnellson pollen count · Donnellson allergies | 28 (Low) | Ragweed | 0.6 | 2 | 36 |
| Doon pollen count · Doon allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Dougherty pollen count · Dougherty allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Downey pollen count · Downey allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Dows pollen count · Dows allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Dumont pollen count · Dumont allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Duncan pollen count · Duncan allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Duncombe pollen count · Duncombe allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Dunlap pollen count · Dunlap allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Dysart pollen count · Dysart allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Eagle Grove pollen count · Eagle Grove allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Earlham pollen count · Earlham allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Earlville pollen count · Earlville allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Early pollen count · Early allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| East Amana pollen count · East Amana allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Edgewood pollen count · Edgewood allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Elberon pollen count · Elberon allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Eldora pollen count · Eldora allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Eldridge pollen count · Eldridge allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Ellsworth pollen count · Ellsworth allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Elma pollen count · Elma allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Emmetsburg pollen count · Emmetsburg allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Epworth pollen count · Epworth allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Everly pollen count · Everly allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Exira pollen count · Exira allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Farley pollen count · Farley allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Farmersburg pollen count · Farmersburg allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Farnhamville pollen count · Farnhamville allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Fenton pollen count · Fenton allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Ferguson pollen count · Ferguson allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Fertile pollen count · Fertile allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Fonda pollen count · Fonda allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Fort Atkinson pollen count · Fort Atkinson allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Fostoria pollen count · Fostoria allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Fremont pollen count · Fremont allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Fruitland pollen count · Fruitland allergies | 28 (Low) | Ragweed | 0.6 | 2 | 36 |
| Galt pollen count · Galt allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Galva pollen count · Galva allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Garden City pollen count · Garden City allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Garnavillo pollen count · Garnavillo allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Garner pollen count · Garner allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Garrison pollen count · Garrison allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Garwin pollen count · Garwin allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Geneva pollen count · Geneva allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| George pollen count · George allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Gibson pollen count · Gibson allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Gilbert pollen count · Gilbert allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Gilbertville pollen count · Gilbertville allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Gillett Grove pollen count · Gillett Grove allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Gilman pollen count · Gilman allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Gilmore City pollen count · Gilmore City allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Gladbrook pollen count · Gladbrook allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Glidden pollen count · Glidden allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Goldfield pollen count · Goldfield allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Goodell pollen count · Goodell allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Goose Lake pollen count · Goose Lake allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Gowrie pollen count · Gowrie allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Graettinger pollen count · Graettinger allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Grafton pollen count · Grafton allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Grand Junction pollen count · Grand Junction allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Grandview pollen count · Grandview allergies | 28 (Low) | Ragweed | 0.6 | 2 | 36 |
| Granville pollen count · Granville allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Gray pollen count · Gray allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Greeley pollen count · Greeley allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Green Mountain pollen count · Green Mountain allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Greene pollen count · Greene allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Greenfield pollen count · Greenfield allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Greenville pollen count · Greenville allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Grundy Center pollen count · Grundy Center allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Gruver pollen count · Gruver allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Guthrie Center pollen count · Guthrie Center allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Halbur pollen count · Halbur allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Hamburg pollen count · Hamburg allergies | 28 (Low) | Ragweed | 0.6 | 2 | 36 |
| Hampton pollen count · Hampton allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Hanlontown pollen count · Hanlontown allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Hansell pollen count · Hansell allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Harcourt pollen count · Harcourt allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Hardy pollen count · Hardy allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Harper pollen count · Harper allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Harris pollen count · Harris allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Hartford pollen count · Hartford allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Hartley pollen count · Hartley allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Havelock pollen count · Havelock allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Haverhill pollen count · Haverhill allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Hawarden pollen count · Hawarden allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Hawkeye pollen count · Hawkeye allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Hayesville pollen count · Hayesville allergies | 28 (Low) | Ragweed | 0.6 | 2 | 36 |
| Hayfield pollen count · Hayfield allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Hazleton pollen count · Hazleton allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Hedrick pollen count · Hedrick allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| High Amana pollen count · High Amana allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Hinton pollen count · Hinton allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Holland pollen count · Holland allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Holstein pollen count · Holstein allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Homestead pollen count · Homestead allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Hornick pollen count · Hornick allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Hospers pollen count · Hospers allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Houghton pollen count · Houghton allergies | 28 (Low) | Ragweed | 0.6 | 2 | 36 |
| Hubbard pollen count · Hubbard allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Hudson pollen count · Hudson allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Hull pollen count · Hull allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Humboldt pollen count · Humboldt allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Hutchins pollen count · Hutchins allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Ida Grove pollen count · Ida Grove allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Independence pollen count · Independence allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Inwood pollen count · Inwood allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Ionia pollen count · Ionia allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Iowa Falls pollen count · Iowa Falls allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Ireton pollen count · Ireton allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Irvington pollen count · Irvington allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Jackson Junction pollen count · Jackson Junction allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Jamaica pollen count · Jamaica allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Jefferson pollen count · Jefferson allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Jesup pollen count · Jesup allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Jewell Junction pollen count · Jewell Junction allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Joice pollen count · Joice allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Jolley pollen count · Jolley allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Kalona pollen count · Kalona allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Kamrar pollen count · Kamrar allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Kanawha pollen count · Kanawha allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Kellogg pollen count · Kellogg allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Kensett pollen count · Kensett allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Kent pollen count · Kent allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Keota pollen count · Keota allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Keswick pollen count · Keswick allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Kingsley pollen count · Kingsley allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Kingston pollen count · Kingston allergies | 28 (Low) | Ragweed | 0.6 | 2 | 36 |
| Kinross pollen count · Kinross allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Kiron pollen count · Kiron allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Klemme pollen count · Klemme allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Knierim pollen count · Knierim allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| La Motte pollen count · La Motte allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| La Porte City pollen count · La Porte City allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Lake City pollen count · Lake City allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Lake Mills pollen count · Lake Mills allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Lake Park pollen count · Lake Park allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Lake View pollen count · Lake View allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Lakeside pollen count · Lakeside allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Lakota pollen count · Lakota allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Lamont pollen count · Lamont allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Lanesboro pollen count · Lanesboro allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Larchwood pollen count · Larchwood allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Larrabee pollen count · Larrabee allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Latimer pollen count · Latimer allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Laurel pollen count · Laurel allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Laurens pollen count · Laurens allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Lawler pollen count · Lawler allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Lawton pollen count · Lawton allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Le Grand pollen count · Le Grand allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Le Mars pollen count · Le Mars allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Ledyard pollen count · Ledyard allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Lehigh pollen count · Lehigh allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Lester pollen count · Lester allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Letts pollen count · Letts allergies | 28 (Low) | Ragweed | 0.6 | 2 | 36 |
| Lidderdale pollen count · Lidderdale allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Lime Springs pollen count · Lime Springs allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Lincoln pollen count · Lincoln allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Linn Grove pollen count · Linn Grove allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Lisbon pollen count · Lisbon allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Liscomb pollen count · Liscomb allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Little Cedar pollen count · Little Cedar allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Little Rock pollen count · Little Rock allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Little Sioux pollen count · Little Sioux allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Livermore pollen count · Livermore allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Logan pollen count · Logan allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Lohrville pollen count · Lohrville allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Lone Rock pollen count · Lone Rock allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Lone Tree pollen count · Lone Tree allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Lorimor pollen count · Lorimor allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Lu Verne pollen count · Lu Verne allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Luana pollen count · Luana allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Luxemburg pollen count · Luxemburg allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Lynnville pollen count · Lynnville allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Lytton pollen count · Lytton allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Macksburg pollen count · Macksburg allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Magnolia pollen count · Magnolia allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Maharishi Vedic City pollen count · Maharishi Vedic City allergies | 28 (Low) | Ragweed | 0.6 | 2 | 36 |
| Malcom pollen count · Malcom allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Mallard pollen count · Mallard allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Manly pollen count · Manly allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Manson pollen count · Manson allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Mapleton pollen count · Mapleton allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Maquoketa pollen count · Maquoketa allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Marathon pollen count · Marathon allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Marble Rock pollen count · Marble Rock allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Marcus pollen count · Marcus allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Martelle pollen count · Martelle allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Martensdale pollen count · Martensdale allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Martinsburg pollen count · Martinsburg allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Matlock pollen count · Matlock allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Maurice pollen count · Maurice allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Maxwell pollen count · Maxwell allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Maynard pollen count · Maynard allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| McCallsburg pollen count · McCallsburg allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| McIntire pollen count · McIntire allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Mechanicsville pollen count · Mechanicsville allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Mediapolis pollen count · Mediapolis allergies | 28 (Low) | Ragweed | 0.6 | 2 | 36 |
| Melbourne pollen count · Melbourne allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Melcher-Dallas pollen count · Melcher-Dallas allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Melvin pollen count · Melvin allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Menlo pollen count · Menlo allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Meriden pollen count · Meriden allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Merrill pollen count · Merrill allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Meservey pollen count · Meservey allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Meyer pollen count · Meyer allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Middle Amana pollen count · Middle Amana allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Miller pollen count · Miller allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Milo pollen count · Milo allergies | 28 (Low) | Ragweed | 0.6 | 2 | 36 |
| Minburn pollen count · Minburn allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Mingo pollen count · Mingo allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Missouri Valley pollen count · Missouri Valley allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Mitchell pollen count · Mitchell allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Mitchellville pollen count · Mitchellville allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Modale pollen count · Modale allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Mona pollen count · Mona allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Mondamin pollen count · Mondamin allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Monmouth pollen count · Monmouth allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Monona pollen count · Monona allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Monroe pollen count · Monroe allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Montezuma pollen count · Montezuma allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Monticello pollen count · Monticello allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Montour pollen count · Montour allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Moorhead pollen count · Moorhead allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Moorland pollen count · Moorland allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Morley pollen count · Morley allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Morning Sun pollen count · Morning Sun allergies | 28 (Low) | Ragweed | 0.6 | 2 | 36 |
| Morrison pollen count · Morrison allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Moscow pollen count · Moscow allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Mount Auburn pollen count · Mount Auburn allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Mount Union pollen count · Mount Union allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Mount Vernon pollen count · Mount Vernon allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Moville pollen count · Moville allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Murray pollen count · Murray allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Nashua pollen count · Nashua allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Nemaha pollen count · Nemaha allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Nevada pollen count · Nevada allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| New Hampton pollen count · New Hampton allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| New Hartford pollen count · New Hartford allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| New Haven pollen count · New Haven allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| New London pollen count · New London allergies | 28 (Low) | Ragweed | 0.6 | 2 | 36 |
| New Providence pollen count · New Providence allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| New Sharon pollen count · New Sharon allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Newell pollen count · Newell allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Nichols pollen count · Nichols allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Nora Springs pollen count · Nora Springs allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| North English pollen count · North English allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| North Washington pollen count · North Washington allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Northwood pollen count · Northwood allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Oakville pollen count · Oakville allergies | 28 (Low) | Ragweed | 0.6 | 2 | 36 |
| Ocheyedan pollen count · Ocheyedan allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Odebolt pollen count · Odebolt allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Ogden pollen count · Ogden allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Olds pollen count · Olds allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Olin pollen count · Olin allergies | 28 (Low) | Ragweed | 0.6 | 1 | 37 |
| Ollie pollen count · Ollie allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Onawa pollen count · Onawa allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Onslow pollen count · Onslow allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Orange City pollen count · Orange City allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Orchard pollen count · Orchard allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Orient pollen count · Orient allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Orleans pollen count · Orleans allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Osage pollen count · Osage allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Ossian pollen count · Ossian allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Otho pollen count · Otho allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Oto pollen count · Oto allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Otranto pollen count · Otranto allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 37 |
| Ottosen pollen count · Ottosen allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Owasa pollen count · Owasa allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |
| Oyens pollen count · Oyens allergies | 28 (Low) | Ragweed | 0.6 | 0.6 | 36 |
| Packwood pollen count · Packwood allergies | 28 (Low) | Ragweed | 0.6 | 1 | 36 |