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Airborne Pollutants (1)

Questions to the Mayor of London – answered on 17th October 2019.

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Photo of Keith Prince Keith Prince Conservative

Which three airborne pollutants, specifically, does the Mayor claim are causing the most deaths in the Capital and in what proportions are the respective pollutants having this effect?

Photo of Sadiq Khan Sadiq Khan Mayor of London

The three pollutants in London most associated with premature mortality are nitrogen dioxide (NO2), fine particulate matter (PM2.5) and coarse particulate matter (PM10). The impacts of exposure to air pollution are complex, whilst some are attributable directly to individual pollutants, some impacts are due to the combined effect of exposure to multiple pollutants. Detailed apportionment of mortality effects is included in the King’s College London “Understanding the Health Impacts of Air Pollution in London” report, available on https://www.london.gov.uk/sites/default/files/HIAinLondon_KingsReport_14....