Grass Pollen Count in Le Tronchet, France — Today

Updated Monday, November 9, 2026

This reading is the forecast point for Le Tronchet — 2 nearby places use the same point; Le Tronchet is 9.6 km from it.

Pollen by type in Le Tronchet

What is the grass pollen count in Le Tronchet today?

The Le Tronchet 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.

Le Tronchet’s overall pollen count today is 10 (Low) across all types. See the full Le Tronchet pollen count for the overall index and every type together.

Le Tronchet is in Ille-et-Vilaine, Brittany, France. Its population is 932 (GeoNames).

Le Tronchet Grass Pollen Count: 5-Day Forecast

DayOverall indexCategory
Monday, November 910Low
Tuesday, November 109Low
Wednesday, November 1119Low
Thursday, November 1220Low
Friday, November 1319Low

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 Le Tronchet’s overall trend across the week. Today’s grass pollen reading is the headline above.

Species driving Le Tronchet’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 Le Tronchet 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 Le Tronchet now — grass pollen

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

Le Tronchet allergies today

Le Tronchet allergies today are set by the same reading as the Le Tronchet pollen count today: the Total Pollen Index is 10 (Low), and the grass pollen index on this page is 0.6 (Low) of it. When people ask about Le Tronchet allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Le Tronchet.

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

Le Tronchet tree pollen count

Le Tronchet ragweed pollen count

See how Le Tronchet ranks in today's pollen count rankings — the worst cities for allergies today

See Le Tronchet 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 Le Tronchet, 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).