Grass Pollen Count in Seilles, Belgium — Today
Updated Saturday, November 7, 2026
Pollen by type in Seilles
What is the grass pollen count in Seilles today?
The Seilles 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.
Seilles’s overall pollen count today is 42 (Moderate) across all types. See the full Seilles pollen count for the overall index and every type together.
Seilles is in Province de Namur, Wallonia, Belgium. Its population is 5,826 (GeoNames).
Seilles Grass Pollen Count: 5-Day Forecast
| Day | Overall index | Category |
|---|---|---|
| Saturday, November 7 | 42 | Moderate |
| Sunday, November 8 | 45 | Moderate |
| Monday, November 9 | 41 | Moderate |
| Tuesday, November 10 | 41 | Moderate |
| Wednesday, November 11 | 41 | Moderate |
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 Seilles’s overall trend across the week. Today’s grass pollen reading is the headline above.
Species driving Seilles’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 Seilles 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 Seilles now — grass pollen
Detailed plant-by-plant readings for the grass pollen category were not returned in today’s source data for Seilles. 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 Belgium allergy season guide is published yet, so the seasonal context here follows the Continental West regional pattern.
Seilles allergies today
Seilles allergies today are set by the same reading as the Seilles pollen count today: the Total Pollen Index is 42 (Moderate), and the grass pollen index on this page is 0.6 (Low) of it. When people ask about Seilles allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Seilles.
Allergies in Seilles follow the Belgium calendar set out on the full Seilles 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 Seilles 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 Seilles allergy forecast for the grass pollen season: it shows whether Seilles 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 Seilles pollen count — all types, the overall index and today’s ranking context
See how Seilles 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).