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  4. Haarlem

Haarlem

North Holland

2026-05-01 20:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
23.3
PM2.5
μg/m³
5.6
Weather
  • ℃
  • ℉
17℃
42%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Allergy Risk
  • PM10
  • PM2.5
  • Birch
  • Grasses
  • Alder
  • Ragweed
  • Mugwort
  • Olive Tree
Places included
Haarlem
AQI 24
Data Sources
http://www.polleninfo.orghttps://www.luchtmeetnet.nl/

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