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Great and Little Leighs

Chelmsford

2026-10-18 12:00
AQI (UK)
Low
Pollutants|Pollens
O3
μg/m³
54.5
PM10
μg/m³
9.5
PM2.5
μg/m³
4.5
NO2
μg/m³
4.2
SO2
μg/m³
1
Weather
  • ℃
  • ℉
12℃
76%
10 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (UK)
  • Allergy Risk
  • O3
  • PM10
  • PM2.5
  • NO2
  • SO2
  • Alder
  • Ragweed
  • Mugwort
  • Birch
  • Olive Tree
  • Grasses

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