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  2. Netherlands
  3. South Holland
  4. Leiden

Leiden

Leiden, South Holland

2026-01-20 20:00
CAQI (Europe)
Very Low
Pollutants|Pollens
PM2.5
μg/m³
10.3
PM10
μg/m³
13.4
Weather
  • ℃
  • ℉
2℃
97%
16 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 8
Site 72464
AQI 37
Site 72915
AQI 33
Site 81839
AQI 24
Site 82032
AQI 24
Site 88050
AQI 30
Site 88291
AQI 51
Data Sources
http://www.polleninfo.orghttps://www.luchtmeetnet.nl/

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