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North Hertfordshire District
2025-03-19 15:00
AQI (US)
Moderate
Pollutants
|
Pollens
PM2.5
μg/m³
18.5
PM10
μg/m³
26.1
NO2
μg/m³
29.3
O3
μg/m³
29.3
SO2
μg/m³
1.6
Alder
7.0
Birch
1.0
Ragweed
0
Mugwort
0
Olive Tree
0
Grasses
0
Weather
℃
℃
℉
16℃
54%
7 kph
1 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
Allergy Risk
PM2.5
PM10
NO2
O3
SO2
Alder
Birch
Ragweed
Mugwort
Olive Tree
Grasses
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