# The Air Quality Standards Regulations 2010, Paragraph


Where the AEI in the reference year is 8.5 µg/m3or less, the exposure reduction target must be zero. The reduction target must also be zero in cases where the AEI reaches the level of 8.5 µg/m3at any point of time during the period from 2010 to 2020 and is maintained at or below that level.

---
Source: https://www.legislation.gov.uk/uksi/2010/1001/schedule/7/paragraph/wrapper3n1 (the official version)
Page: https://openlegislation.uk/air-quality-standards-regulations-2010/schedule-7/paragraph-wrapper3n1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.