Ragweed Pollen Count in Opheylissem, Belgium — Today

Updated Monday, November 9, 2026

This reading is the forecast point shared with Marilles, Belgium — 6 nearby places use the same point; Opheylissem is 5.8 km from it.

Pollen by type in Opheylissem

What is the ragweed pollen count in Opheylissem today?

The Opheylissem ragweed pollen index today is 13 (Low) on Pollen Atlas’s modelled 0–100 scale. Low

Modelled pollen risk index — not a measured count.

Ragweed pollen is the dominant allergen in Opheylissem today. See the full Opheylissem pollen count for the overall index and every type together.

Opheylissem is in Province du Brabant Wallon, Wallonia, Belgium. Its population is 871 (GeoNames).

Opheylissem Ragweed Pollen Count: 5-Day Forecast

DayOverall indexCategory
Monday, November 913Low
Tuesday, November 106Low
Wednesday, November 115Low
Thursday, November 1212Low
Friday, November 1312Low

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 Opheylissem’s overall trend across the week. Today’s ragweed pollen reading is the headline above.

Species driving Opheylissem’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 13 (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 Opheylissem now — ragweed pollen

Detailed plant-by-plant readings for the ragweed pollen category were not returned in today’s source data for Opheylissem. The type summary stands: ragweed pollen reads 13 (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 Belgium allergy season guide is published yet, so the seasonal context here follows the Continental West regional pattern.

Opheylissem allergies today

Opheylissem allergies today are set by the same reading as the Opheylissem pollen count today: the Total Pollen Index is 13 (Low), and the ragweed pollen index on this page is 13 (Low) of it. When people ask about Opheylissem allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Opheylissem.

Allergies in Opheylissem follow the Belgium calendar set out on the full Opheylissem 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 Opheylissem 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 Opheylissem allergy forecast for the ragweed pollen season: it shows whether Opheylissem 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 Opheylissem pollen count — all types, the overall index and today’s ranking context

Opheylissem tree pollen count

Opheylissem grass pollen count

See how Opheylissem ranks in today's pollen count rankings — the worst cities for allergies today

See Opheylissem on the pollen map

Every pollen type, with photos and seasons: the pollen directory

Worst cities for allergies

Ragweed season

Find an allergist in Opheylissem, Belgium

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).