Air quality in Siena
32
Fair
Air Quality Index
Air quality is acceptable. Extremely sensitive people may experience minor symptoms.
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Pollutants
PM2.5
17 µg/m³
PM10
32.6 µg/m³
NO₂
1.1 µg/m³
O₃
79 µg/m³
SO₂
0.6 µg/m³
CO
134 µg/m³
Pollen
Alder
0
Low
Birch
3
Low
Grass
3
Low
Olive
0
Low