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  3. South Holland
  4. Leiden

Leiden

Leiden, South Holland

2026-03-08 03:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
10.6
PM10
μg/m³
27.5
Weather
  • ℃
  • ℉
7℃
96%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Allergy Risk
  • PM2.5
  • PM10
  • Alder
  • Ragweed
  • Mugwort
  • Birch
  • Olive Tree
  • Grasses
Places included
Site 25031
AQI 56
Site 66272
AQI 50
Site 72464
AQI 65
Site 72856
AQI 125
Site 72915
AQI 81
Site 81839
AQI 80
Site 82032
AQI 62
Site 88050
AQI 77
Site 88291
AQI 94
Data Sources
http://www.polleninfo.orghttps://www.luchtmeetnet.nl/

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