# The Air Quality Standards Regulations 2010, Schedule 7: National exposure reduction targets for PM2.5


National exposure reduction target
Exposure reduction target relative to the AEI in 2010
Year by which the exposure reduction target should be met
Initial concentration in µg/m3
Reduction target in %
2020
Less than or equal to 8.5
0
More than 8.5 but less than 13
10
13 to less than 18
15
18 to less than 22
20
22 or more
All appropriate measures to achieve 18 µg/m3

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Source: https://www.legislation.gov.uk/uksi/2010/1001/schedule/7 (the official version)
Page: https://openlegislation.uk/air-quality-standards-regulations-2010/schedule-7
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.