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Little Waltham

Little Waltham, Chelmsford

2026-09-05 13:00
CAQI (Europe)
Very Low
Pollutants|Pollens
O3
μg/m³
33.7
PM10
μg/m³
12.5
PM2.5
μg/m³
6.1
NO2
μg/m³
10
SO2
μg/m³
1
Weather
  • ℃
  • ℉
21℃
49%
15 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Allergy Risk
  • O3
  • PM10
  • PM2.5
  • NO2
  • SO2
  • Grasses
  • Alder
  • Ragweed
  • Mugwort
  • Birch
  • Olive Tree

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