Grass Pollen Count in Saint-Jean-de-Boiseau, France — Today

Updated Saturday, November 7, 2026

Pollen by type in Saint-Jean-de-Boiseau

What is the grass pollen count in Saint-Jean-de-Boiseau today?

The Saint-Jean-de-Boiseau 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.

Saint-Jean-de-Boiseau’s overall pollen count today is 26 (Low) across all types. See the full Saint-Jean-de-Boiseau pollen count for the overall index and every type together.

Saint-Jean-de-Boiseau is in Loire-Atlantique, Pays de la Loire, France. Its population is 4,906 (GeoNames).

Saint-Jean-de-Boiseau Grass Pollen Count: 5-Day Forecast

DayOverall indexCategory
Saturday, November 726Low
Sunday, November 828Low
Monday, November 920Low
Tuesday, November 1018Low
Wednesday, November 1118Low

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 Saint-Jean-de-Boiseau’s overall trend across the week. Today’s grass pollen reading is the headline above.

Species driving Saint-Jean-de-Boiseau’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 Saint-Jean-de-Boiseau 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 Saint-Jean-de-Boiseau now — grass pollen

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

Saint-Jean-de-Boiseau allergies today

Saint-Jean-de-Boiseau allergies today are set by the same reading as the Saint-Jean-de-Boiseau pollen count today: the Total Pollen Index is 26 (Low), and the grass pollen index on this page is 0.6 (Low) of it. When people ask about Saint-Jean-de-Boiseau allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Saint-Jean-de-Boiseau.

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

Saint-Jean-de-Boiseau tree pollen count

Saint-Jean-de-Boiseau ragweed pollen count

See how Saint-Jean-de-Boiseau ranks in today's pollen count rankings — the worst cities for allergies today

See Saint-Jean-de-Boiseau 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 Saint-Jean-de-Boiseau, 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).