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Great and Little Leighs

Chelmsford

2026-09-30 00:00
CAQI (Europe)
Low
Pollutants|Pollens
PM2.5
μg/m³
24.7
PM10
μg/m³
28.5
NO2
μg/m³
36.7
O3
μg/m³
41.8
SO2
μg/m³
1.9
Weather
  • ℃
  • ℉
19℃
89%
15 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Allergy Risk
  • PM2.5
  • PM10
  • NO2
  • O3
  • SO2
  • Ragweed
  • Mugwort
  • Grasses
  • Alder
  • Birch
  • Olive Tree

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