Grass Pollen Count in Loison-sous-Lens, France — Today

Updated Saturday, November 7, 2026

This reading is the forecast point shared with Noyelles-sous-Lens, France — 2 nearby places use the same point; Loison-sous-Lens is 1.1 km from it.

Pollen by type in Loison-sous-Lens

What is the grass pollen count in Loison-sous-Lens today?

The Loison-sous-Lens grass pollen index today is 0.6 (Low) on Pollen Atlas’s modelled 0–100 scale. Low

Modelled pollen risk index — not a measured count.

Loison-sous-Lens’s overall pollen count today is 23 (Low) across all types. See the full Loison-sous-Lens pollen count for the overall index and every type together.

Loison-sous-Lens is in Pas-de-Calais, Hauts-de-France, France. Its population is 5,683 (GeoNames).

Loison-sous-Lens Grass Pollen Count: 5-Day Forecast

DayOverall indexCategory
Saturday, November 723Low
Sunday, November 827Low
Monday, November 934Low
Tuesday, November 1037Low
Wednesday, November 1124Low

Pollen Atlas models the daily detail as an overall index: day-by-day splits by individual pollen type are not part of the modelled data, so this table shows Loison-sous-Lens’s overall trend across the week. Today’s grass pollen reading is the headline above.

Species driving Loison-sous-Lens’s grass pollen

The modelled data reports grass as one combined index — there is no species-by-species split for grass anywhere in the data, so this page does not invent one. Today’s modelled grass index for Loison-sous-Lens is 0.6 (Low), and the 5-day overall trend above shows the shape of the week.

As regional context only — not as today’s readings — in the Continental West pattern, the plants that typically shape this city’s year are early hazel and alder, a birch-led spring, late-spring grasses, and late-summer mugwort and ragweed.

Plants affecting Loison-sous-Lens now — grass pollen

Detailed plant-by-plant readings for the grass pollen category were not returned in today’s source data for Loison-sous-Lens. The type summary stands: grass pollen reads 0.6 (Low) today.

In the Continental West pattern, the plants that typically shape this city’s year are early hazel and alder, a birch-led spring, late-spring grasses, and late-summer mugwort and ragweed — named here as regional context only, not as today’s readings.

Plant detail returns here automatically on any day the feed includes it.

What this grass pollen level means

Low risk. Keep windows open; consider allergy meds only if sensitive.

Enjoy outdoor activities.

Grasses hold from May through July, cresting in late May and June. This month sits outside the usual grass pollen window for the Continental West pattern, so today’s grass pollen reading is the modelled value outranking the calendar — this page reports the modelled reading first. No France allergy season guide is published yet, so the seasonal context here follows the Continental West regional pattern.

Loison-sous-Lens allergies today

Loison-sous-Lens allergies today are set by the same reading as the Loison-sous-Lens pollen count today: the Total Pollen Index is 23 (Low), and the grass pollen index on this page is 0.6 (Low) of it. When people ask about Loison-sous-Lens allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Loison-sous-Lens.

Allergies in Loison-sous-Lens follow the France calendar set out on the full Loison-sous-Lens page — the chapters, the plants behind them, and the 5-day forecast show whether today is typical for the season or an exception to it. If you are checking allergies today in Loison-sous-Lens before heading outdoors, the grass pollen split on this page is the part to read: it shows whether this pollen type is doing the work today, not just how high the total sits.

Read the five-day overall trend above as the Loison-sous-Lens allergy forecast for the grass pollen season: it shows whether Loison-sous-Lens allergies are set to ease or build across the week, day by day — the days to plan outdoor time around are the ones where the overall index steps down, not just today.

See the full Loison-sous-Lens pollen count — all types, the overall index and today’s ranking context

Loison-sous-Lens tree pollen count

Loison-sous-Lens ragweed pollen count

See how Loison-sous-Lens ranks in today's pollen count rankings — the worst cities for allergies today

See Loison-sous-Lens on the pollen map

Every pollen type, with photos and seasons: the pollen directory

Worst cities for allergies

Grass pollen season

Find an allergist in Loison-sous-Lens, France

Pollen indexes: a modelled pollen risk index computed by Pollen Atlas from open weather, vegetation and phenology data, calibrated against CDC/NAB season data. Plant detail: Google Pollen API. Index values are modelled, not measured counts. Sources: CDC/NAB; USA-NPN; GBIF (CC BY); ESA WorldCover (CC BY 4.0).