Air quality in City of Westminster
15
Good
Air Quality Index
Air quality is satisfactory and poses little or no health risk.
▲
Pollutants
PM2.5
4 µg/m³
PM10
9.3 µg/m³
NO₂
5.3 µg/m³
O₃
37 µg/m³
SO₂
0.4 µg/m³
CO
113 µg/m³
Pollen
Grass
3
Low
Mugwort
10
Low