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  4. Haarlem

Haarlem

North Holland

2026-07-27 08:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
3.3
PM10
μg/m³
10.3
Weather
  • ℃
  • ℉
20℃
73%
29 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Allergy Risk
  • PM2.5
  • PM10
  • Mugwort
  • Grasses
  • Alder
  • Ragweed
  • Birch
  • Olive Tree
Places included
Haarlem
AQI 19
Data Sources
http://www.polleninfo.orghttps://www.luchtmeetnet.nl/

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