Air quality in St Helens
35
Fair
Air Quality Index
Air quality is acceptable. Extremely sensitive people may experience minor symptoms.
▲
Pollutants
PM2.5
1.9 µg/m³
PM10
4.6 µg/m³
NO₂
3.9 µg/m³
O₃
87 µg/m³
SO₂
0.6 µg/m³
CO
149 µg/m³
Pollen
Birch
1
Low