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  2. United Kingdom
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  4. Hertfordshire
  5. Welwyn Hatfield
  6. Welwyn Garden City

Welwyn Garden City

Welwyn Hatfield, Hertfordshire

2025-12-29 08:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
68.9
PM2.5
μg/m³
4.9
PM10
μg/m³
7.8
NO2
μg/m³
6.2
SO2
μg/m³
1.1
Weather
  • ℃
  • ℉
4℃
84%
17 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Allergy Risk
  • O3
  • PM2.5
  • PM10
  • NO2
  • SO2
  • Alder
  • Ragweed
  • Mugwort
  • Birch
  • Olive Tree
  • Grasses

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