UK pollution levels

PM2.5 in micrograms per cubic metre of air

0

2.0

3.2

4.7

6.0

7.6

11.4

Glasgow

Newcastle

Leicester

Manchester

Birmingham

Cardiff

London Ulez

expansion

Southampton

PM2.5 in micrograms per cubic metre of air

0

2.0

3.2

4.7

6.0

7.6

11.4

Glasgow

Newcastle

Leicester

Manchester

Birmingham

Cardiff

London Ulez

expansion

Southampton

Guardian graphic. Source: Defra. Note: modelled estimates of population-weighted annual average PM2.5 concentrations (particulate matter 2.5 microns or less in diameter) in 2021. Mapped to a 1km grid