Air quality




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60 - 100
40 - 60
20 - 40
10 - 20
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Current air quality

Map by CERC Measured at

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Particulate Matter (PM2.5)

The graph shows daily average concentrations of PM2.5 in London. Also displayed are the World Health Organization's Air Quality Guidelines for PM2.5; evidence-based targets for air quality management to protect populations from the adverse health effects of air pollution.

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