Air quality in Bielefeld
20
Good
Air Quality Index
Air quality is satisfactory and poses little or no health risk.
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Pollutants
PM2.5
6 µg/m³
PM10
13.4 µg/m³
NO₂
5.3 µg/m³
O₃
50 µg/m³
SO₂
0.8 µg/m³
CO
128 µg/m³
Pollen
Grass
14
Medium