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  4. Halden Municipality

Halden Municipality

Ostfold

2026-04-25 20:00
CAQI (Europe)
Low
Pollutants|Pollens
O3
μg/m³
81.1
PM10
μg/m³
4.9
PM2.5
μg/m³
1.2
Weather
  • ℃
  • ℉
3℃
54%
8 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Allergy Risk
  • O3
  • PM10
  • PM2.5
  • Alder
  • Ragweed
  • Mugwort
  • Birch
  • Olive Tree
  • Grasses
Places included
Halden
AQI 5
Prestebakke
AQI 34
Data Sources
http://www.polleninfo.orghttps://www.eea.europa.eu

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