Grass Pollen Count in Tresson, France
Last updated Sunday, November 8, 2026
This page shows the most recent reading available for Tresson — from Sunday, November 8, 2026 (1 day ago) — not today's reading.
This reading is the forecast point for Tresson — 5 nearby places use the same point; Tresson is 1.9 km from it.
Pollen by type in Tresson
What is the grass pollen count in Tresson today?
The Tresson 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.
Tresson’s overall pollen count today is 27 (Low) across all types. See the full Tresson pollen count for the overall index and every type together.
Tresson is in Sarthe, Pays de la Loire, France. Its population is 477 (GeoNames).
Tresson Grass Pollen Count: 5-Day Forecast
| Day | Overall index | Category |
|---|---|---|
| Sunday, November 8 | 27 | Low |
| Monday, November 9 | 18 | Low |
| Tuesday, November 10 | 16 | Low |
| Wednesday, November 11 | 10 | Low |
| Thursday, November 12 | 23 | Low |
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 Tresson’s overall trend across the week. Today’s grass pollen reading is the headline above.
Species driving Tresson’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 Tresson 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 Tresson now — grass pollen
Detailed plant-by-plant readings for the grass pollen category were not returned in today’s source data for Tresson. 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.
Tresson allergies today
Tresson allergies today are set by the same reading as the Tresson pollen count today: the Total Pollen Index is 27 (Low), and the grass pollen index on this page is 0.6 (Low) of it. When people ask about Tresson allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Tresson.
Allergies in Tresson follow the France calendar set out on the full Tresson 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 Tresson 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 Tresson allergy forecast for the grass pollen season: it shows whether Tresson 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 Tresson pollen count — all types, the overall index and today’s ranking context
See how Tresson ranks in today's pollen count rankings — the worst cities for allergies today
Every pollen type, with photos and seasons: the pollen directory
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).