# The Air Quality (England) Regulations 2000, Regulation 4: Air quality objectives


(1) It is an air quality objective for each substance listed in the first column of the Table in the Schedule to these Regulations that the level at which that substance is present in the air is restricted to a level set out in the second column of that Table for that substance by no later than the date set out in the third column of that Table for that substance and level.
(2) The achievement or likely achievement of an air quality objective prescribed by paragraph (1) shall be determined by reference to the quality of air at locations–
(a) which are situated outside of buildings or other natural or man-made structures above or below ground; and
(b) where members of the public are regularly present.

---
Source: https://www.legislation.gov.uk/ukdsi/2000/0110987640/regulation/4 (the official version)
Page: https://openlegislation.uk/draft-air-quality-england-regulations-2000/regulation-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.