Ragweed Pollen Count in Grand Lay, France — Today
Updated Monday, November 9, 2026
This reading is the forecast point shared with Courçay, France — 3 nearby places use the same point; Grand Lay is 5.7 km from it.
Pollen by type in Grand Lay
What is the ragweed pollen count in Grand Lay today?
The Grand Lay ragweed pollen index today is 8 (Low) on Pollen Atlas’s modelled 0–100 scale. Low
Modelled pollen risk index — not a measured count.
Grand Lay’s overall pollen count today is 23 (Low) across all types. See the full Grand Lay pollen count for the overall index and every type together.
Grand Lay is in Indre-et-Loire, Centre-Val de Loire, France. Its population is 2 (GeoNames).
Grand Lay Ragweed Pollen Count: 5-Day Forecast
| Day | Overall index | Category |
|---|---|---|
| Monday, November 9 | 23 | Low |
| Tuesday, November 10 | 29 | Low |
| Wednesday, November 11 | 20 | Low |
| Thursday, November 12 | 29 | Low |
| Friday, November 13 | 28 | 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 Grand Lay’s overall trend across the week. Today’s ragweed pollen reading is the headline above.
Species driving Grand Lay’s ragweed pollen
Species-level counts are not part of the modelled data Pollen Atlas publishes — the modelled index is reported per pollen type, not per species — so this section gives the type summary: ragweed pollen reads 8 (Low) today. The plant-by-plant detail that is available, from the Google Pollen API, is in the next section.
How to read this: the “ragweed” figure on this site is the modelled weed pollen index — the weed group (ragweed + mugwort) — printed under the ragweed name the rankings use.
Plants affecting Grand Lay now — ragweed pollen
Detailed plant-by-plant readings for the ragweed pollen category were not returned in today’s source data for Grand Lay. The type summary stands: ragweed pollen reads 8 (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 ragweed pollen level means
Low risk. Keep windows open; consider allergy meds only if sensitive.
Enjoy outdoor activities.
Mugwort and ragweed build from August, peak in September, and are ended by the first hard frost. This month sits outside the usual ragweed pollen window for the Continental West pattern, so today’s ragweed 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.
Grand Lay allergies today
Grand Lay allergies today are set by the same reading as the Grand Lay pollen count today: the Total Pollen Index is 23 (Low), and the ragweed pollen index on this page is 8 (Low) of it. When people ask about Grand Lay allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Grand Lay.
Allergies in Grand Lay follow the France calendar set out on the full Grand Lay 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 Grand Lay before heading outdoors, the ragweed 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 Grand Lay allergy forecast for the ragweed pollen season: it shows whether Grand Lay 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 Grand Lay pollen count — all types, the overall index and today’s ranking context
See how Grand Lay ranks in today's pollen count rankings — the worst cities for allergies today
See Grand Lay on the pollen map
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).