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  2. Netherlands
  3. South Holland
  4. Leiden

Leiden

Leiden, South Holland

2026-01-20 21:00
CAQI (Europe)
Low
Pollutants|Pollens
PM2.5
μg/m³
15.5
PM10
μg/m³
15.9
Weather
  • ℃
  • ℉
2℃
97%
10 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Allergy Risk
  • PM2.5
  • PM10
  • Alder
  • Ragweed
  • Mugwort
  • Birch
  • Olive Tree
  • Grasses
Places included
Site 25031
AQI 19
Site 66272
AQI 12
Site 72464
AQI 25
Site 72915
AQI 42
Site 81839
AQI 20
Site 82032
AQI 23
Site 88050
AQI 25
Site 88291
AQI 44
Data Sources
http://www.polleninfo.orghttps://www.luchtmeetnet.nl/

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