Air quality in Porto
18
Good
Air Quality Index
Air quality is satisfactory and poses little or no health risk.
▲
Pollutants
PM2.5
7.9 µg/m³
PM10
11.3 µg/m³
NO₂
6.5 µg/m³
O₃
46 µg/m³
SO₂
0.1 µg/m³
CO
123 µg/m³
Pollen
Grass
0
Low
Mugwort
0
Low
Ragweed
1
Low