Today's pollen forecast for Belfast
Moderate

No need to avoid the day for most people.

Pollen mix

Grass
Low1 grains/m3
Tree
Low0 grains/m3
Weed
Moderate9 grains/m3
How it travelsNormal spreadSome breeze may move pollen around locally, but conditions are not especially pollen-friendly.
WindModerate10 mph wind
RainTrace rain0.1 mm expected
TemperatureMild17C max
What this meansNo need to avoid the day for most people.

What to do

Moderate weed pollen risk today. Be prepared if this is one of your known triggers.

  • Keep an eye on symptoms before longer outdoor plans.
  • Close bedroom windows later if symptoms tend to build up overnight.
  • Some breeze may carry pollen around locally, especially near parks, verges, and gardens.
  • Temperatures are not the main story today, but they still affect how active plants are.
Antihistamine?Only if this trigger usually affects you.
Season contextTypical late-season trigger

5-day outlook

ThursdayModerate
GrassTreeWeed
FridayModerate
GrassTreeWeed
SaturdayModerate
GrassTreeWeed
SundayHigh
GrassTreeWeed
MondayModerate
GrassTreeWeed

Forecast refreshed 10 Sept 2026, 17:55 from cached local forecast data.