Air quality in Krefeld
19
Good
Air Quality Index
Air quality is satisfactory and poses little or no health risk.
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Pollutants
PM2.5
6.9 µg/m³
PM10
12.2 µg/m³
NO₂
25.4 µg/m³
O₃
38 µg/m³
SO₂
14.6 µg/m³
CO
373 µg/m³
Pollen
Grass
29
Medium