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Saint Albans District
Harpenden
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Harpenden
Saint Albans District
2025-03-18 22:00
AQI (US)
Moderate
Pollutants
|
Pollens
PM2.5
μg/m³
10
PM10
μg/m³
17
Alder
5.4
Ragweed
0
Mugwort
0
Birch
0
Olive Tree
0
Grasses
0
Weather
℃
℃
℉
1℃
81%
9 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
Allergy Risk
PM2.5
PM10
Alder
Ragweed
Mugwort
Birch
Olive Tree
Grasses
Places included
Harpenden
AQI 52
Data Sources
http://www.polleninfo.org
http://uk-air.defra.gov.uk/
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