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  4. Hertfordshire
  6. Holwell

Holwell

Holwell, North Hertfordshire District

2026-03-10 07:00
CAQI (Europe)
Low
Pollutants|Pollens
PM2.5
μg/m³
25
Weather
  • ℃
  • ℉
8℃
92%
12 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Allergy Risk
  • PM2.5
  • Alder
  • Ragweed
  • Mugwort
  • Birch
  • Olive Tree
  • Grasses
Data Sources
http://www.polleninfo.orghttp://uk-air.defra.gov.uk/

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