Air quality in Porto
24
Fair
Air Quality Index
Air quality is acceptable. Extremely sensitive people may experience minor symptoms.
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Pollutants
PM2.5
5.5 µg/m³
PM10
10 µg/m³
NO₂
2.7 µg/m³
O₃
59 µg/m³
SO₂
0.2 µg/m³
CO
105 µg/m³
Pollen
Grass
43
Medium
Olive
5
Low