Hourly pollen
Birch, alder, grass, olive, mugwort and ragweed. See when it peaks and when it eases off, with the best time to go outside.
Actually measured
Particulate matter, nitrogen dioxide and ozone, with real readings from the monitoring station near you next to the forecast.
Morning alert
Only on days your pollen is active, or when smog or Saharan dust is on its way. For your favourite places too.
Diary and widget
Track how you feel and find out which pollen really affects you. With a widget on your home screen.
PollenSignal: hourly pollen and air quality
Hourly pollen and air quality, anywhere in Europe.
- Hourly forecast for birch, grass, alder, olive, mugwort and ragweed
- Particulate matter, NO₂ and ozone, with the reading from the nearest station
- Morning alert only on days your pollen is active
- In 8 languages, no account needed

Pollen forecast per city
Today and the next days, hour by hour, for hundreds of cities in Europe.
Latest update
Every day Europe's pollen and air, and special moments like Saharan dust.
14 Nov 2026Very poor air in Kraków and Bucharest today