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  4. Leiden

Leiden

Leiden, South Holland

2026-05-21 10:00
AQI (India)
Good
Pollutants|Pollens
PM10
μg/m³
28.8
PM2.5
μg/m³
14.7
Weather
  • ℃
  • ℉
18℃
68%
8 kph
6 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Allergy Risk
  • PM10
  • PM2.5
  • Grasses
  • Alder
  • Ragweed
  • Mugwort
  • Birch
  • Olive Tree
Places included
Site 25031
AQI 8
Site 66272
AQI 5
Site 72464
AQI 14
Site 72856
AQI 13
Site 72915
AQI 13
Site 81839
AQI 7
Site 82032
AQI 10
Site 88050
AQI 9
Site 88291
AQI 7
Data Sources
http://www.polleninfo.orghttps://www.luchtmeetnet.nl/

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