UK: roadside PM2.5 concentrations 2023| ��ƽ��

Annual mean roadside concentrations of PM10 and PM2.5 in the United Kingdom from 2000 to 2023 (in micrograms per cubic meter air)

Characteristic	PM10	PM2.5*
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Release date

April 2024

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Region

United Kingdom

Survey time period

2000 to 2023

Supplementary notes

Figures have been rounded
*PM2.5 data is only available from 2009.

The Air Quality Standards Regulations 2010 require that concentrations of PM in the UK must not exceed:
An annual average of 40 µg/m3 for PM10;
A 24-hour average of 50 µg/m3 more than 35 times in a single year for PM10;
An annual average of 25 µg/m3 for PM2.5.

The Environmental Targets (Fine Particulate Matter) (England) Regulations 2023 require that in England by the end of 2040:
An annual average of 10 µg/m3 for PM2.5 is not exceeded at any monitoring station.
Population exposure to PM2.5 is at least 35% less than in 2018.

The Environmental Improvement Plan 2023 for England set interim targets that by January 2028:
An annual average of 12 µg/m3 for PM2.5 is not exceeded at any monitoring station.
Population exposure to PM2.5 is at least 22% less than in 2018.
This statistic using original data from the Department for Environment, Food and Rural Affairs and includes copyright material licensed under © Crown, the

Citation formats

The average concentration of PM2.5 measured at UK roadside sites was *** micrograms per cubic meter air (µg/m3) in 2023. Roadside PM2.5 levels in central London have decreased by roughly ** percent since 2017, owing to various policies like Ultra Low Emissions Zones and zero-emission vehicles. PM2.5 are defined as particulate matter of *** micrometers or less in diameter and are responsible for thousands of premature deaths every year in the UK.