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Howlands
AQHI (Canada)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
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Howlands
Welwyn Hatfield, Hertfordshire
2024-09-04 10:00
AQHI (Canada)
Low
Pollutants
|
Pollens
O3
μg/m³
30
PM10
μg/m³
8
PM2.5
μg/m³
5
NO2
μg/m³
11
SO2
μg/m³
1
Grasses
3.4
Mugwort
0.4
Alder
0
Ragweed
0
Birch
0
Olive Tree
0
Weather
℃
℃
℉
18℃
75%
11 kph
2 of 11
Historical Data
Hourly
Hourly
Daily
AQHI (Canada)
AQHI (Canada)
Allergy Risk
O3
PM10
PM2.5
NO2
SO2
Grasses
Mugwort
Alder
Ragweed
Birch
Olive Tree
Data Sources
http://uk-air.defra.gov.uk/
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