Grass Pollen Count in Hervelinghen, France
Last updated Sunday, November 8, 2026
This page shows the most recent reading available for Hervelinghen — from Sunday, November 8, 2026 (1 day ago) — not today's reading.
This reading is the forecast point shared with Saint-Inglevert, France — 5 nearby places use the same point; Hervelinghen is 3.6 km from it.
Pollen by type in Hervelinghen
What is the grass pollen count in Hervelinghen today?
The Hervelinghen 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.
Hervelinghen’s overall pollen count today is 29 (Low) across all types. See the full Hervelinghen pollen count for the overall index and every type together.
Hervelinghen is in Pas-de-Calais, Hauts-de-France, France. Its population is 246 (GeoNames).
Hervelinghen Grass Pollen Count: 5-Day Forecast
| Day | Overall index | Category |
|---|---|---|
| Sunday, November 8 | 29 | Low |
| Monday, November 9 | 41 | Moderate |
| Tuesday, November 10 | 27 | Low |
| Wednesday, November 11 | 16 | Low |
| Thursday, November 12 | 25 | 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 Hervelinghen’s overall trend across the week. Today’s grass pollen reading is the headline above.
Species driving Hervelinghen’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 Hervelinghen 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 Hervelinghen now — grass pollen
Detailed plant-by-plant readings for the grass pollen category were not returned in today’s source data for Hervelinghen. 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.
Hervelinghen allergies today
Hervelinghen allergies today are set by the same reading as the Hervelinghen pollen count today: the Total Pollen Index is 29 (Low), and the grass pollen index on this page is 0.6 (Low) of it. When people ask about Hervelinghen allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Hervelinghen.
Allergies in Hervelinghen follow the France calendar set out on the full Hervelinghen 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 Hervelinghen 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 Hervelinghen allergy forecast for the grass pollen season: it shows whether Hervelinghen 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 Hervelinghen pollen count — all types, the overall index and today’s ranking context
Hervelinghen tree pollen count
Hervelinghen ragweed pollen count
See how Hervelinghen ranks in today's pollen count rankings — the worst cities for allergies today
See Hervelinghen 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).