Grass Pollen Count in Persan, France — Today

Pollen by type in Persan

• Persan tree pollen count
• Persan ragweed pollen count
• Persan pollen count

What is the grass pollen count in Persan today?

The Persan 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.

Persan’s overall pollen count today is 43 (Moderate) across all types. See the full Persan pollen count for the overall index and every type together.

Persan is in Val d'Oise, Île-de-France, France. Its population is 9,314 (GeoNames).

Persan Grass Pollen Count: 5-Day Forecast

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

Species driving Persan’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 Persan 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 Persan now — grass pollen

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

Persan allergies today

Persan allergies today are set by the same reading as the Persan pollen count today: the Total Pollen Index is 43 (Moderate), and the grass pollen index on this page is 0.6 (Low) of it. When people ask about Persan allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Persan.

Allergies in Persan follow the France calendar set out on the full Persan 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 Persan 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 Persan allergy forecast for the grass pollen season: it shows whether Persan 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.