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High Wych

East Hertfordshire District

2026-08-20 16:00
AQI (UK)
Low
Pollutants|Pollens
O3
μg/m³
43
PM10
μg/m³
8.4
PM2.5
μg/m³
3.1
NO2
μg/m³
13.1
SO2
μg/m³
3.9
Weather
  • ℃
  • ℉
17℃
82%
13 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (UK)
  • Allergy Risk
  • O3
  • PM10
  • PM2.5
  • NO2
  • SO2
  • Grasses
  • Mugwort
  • Alder
  • Ragweed
  • Birch
  • Olive Tree

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