Air quality in Welwyn Garden City
22
Fair
Air Quality Index
Air quality is acceptable. Extremely sensitive people may experience minor symptoms.
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Pollutants
PM2.5
9.1 µg/m³
PM10
11.9 µg/m³
NO₂
8.8 µg/m³
O₃
56 µg/m³
SO₂
1.2 µg/m³
CO
139 µg/m³
Pollen
Birch
0
Low
Grass
12
Medium
Olive
0
Low