Grass Pollen Count in Ville-Saint-Jacques, France — Today

Updated Monday, November 9, 2026

This reading is the forecast point shared with Villemaréchal, France — 8 nearby places use the same point; Ville-Saint-Jacques is 3.7 km from it.

Pollen by type in Ville-Saint-Jacques

What is the grass pollen count in Ville-Saint-Jacques today?

The Ville-Saint-Jacques 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.

Ville-Saint-Jacques’s overall pollen count today is 20 (Low) across all types. See the full Ville-Saint-Jacques pollen count for the overall index and every type together.

Ville-Saint-Jacques is in Seine-et-Marne, Île-de-France, France. Its population is 741 (GeoNames).

Ville-Saint-Jacques Grass Pollen Count: 5-Day Forecast

DayOverall indexCategory
Monday, November 920Low
Tuesday, November 1012Low
Wednesday, November 1125Low
Thursday, November 1226Low
Friday, November 1325Low

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 Ville-Saint-Jacques’s overall trend across the week. Today’s grass pollen reading is the headline above.

Species driving Ville-Saint-Jacques’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 Ville-Saint-Jacques 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 Ville-Saint-Jacques now — grass pollen

Detailed plant-by-plant readings for the grass pollen category were not returned in today’s source data for Ville-Saint-Jacques. 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.

Ville-Saint-Jacques allergies today

Ville-Saint-Jacques allergies today are set by the same reading as the Ville-Saint-Jacques pollen count today: the Total Pollen Index is 20 (Low), and the grass pollen index on this page is 0.6 (Low) of it. When people ask about Ville-Saint-Jacques allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Ville-Saint-Jacques.

Allergies in Ville-Saint-Jacques follow the France calendar set out on the full Ville-Saint-Jacques 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 Ville-Saint-Jacques 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 Ville-Saint-Jacques allergy forecast for the grass pollen season: it shows whether Ville-Saint-Jacques 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 Ville-Saint-Jacques pollen count — all types, the overall index and today’s ranking context

Ville-Saint-Jacques tree pollen count

Ville-Saint-Jacques ragweed pollen count

See how Ville-Saint-Jacques ranks in today's pollen count rankings — the worst cities for allergies today

See Ville-Saint-Jacques 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 Ville-Saint-Jacques, 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).