Air quality in Bielefeld
16
Good
Air Quality Index
Air quality is satisfactory and poses little or no health risk.
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Pollutants
PM2.5
6.6 µg/m³
PM10
9.6 µg/m³
NO₂
5.5 µg/m³
O₃
40 µg/m³
SO₂
0.8 µg/m³
CO
134 µg/m³
Pollen
Grass
11
Medium
Mugwort
20
Medium