Air quality in Porto
28
Fair
Air Quality Index
Air quality is acceptable. Extremely sensitive people may experience minor symptoms.
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Pollutants
PM2.5
7.7 µg/m³
PM10
20.7 µg/m³
NO₂
0.5 µg/m³
O₃
70 µg/m³
SO₂
0 µg/m³
CO
119 µg/m³
Pollen
Alder
1
Low
Birch
0
Low
Grass
1
Low