Search Legislation

The Air Quality Regulations 1997

What Version

 Help about what version
  • Latest available (Revised)
  • Original (As made)


This is the original version (as it was originally made). This item of legislation is currently only available in its original format.

Air quality objectives

4.—(1) The air quality objective for each substance listed in the first column of the Table in the Schedule to these Regulations shall be to restrict, by no later than the end of the relevant period prescribed by regulation 3(2), the level at which that substance is present in the air to the level set out in the second column of that Table for that substance.

(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 which are situated outside of buildings or other natural or man-made structures above or below ground and where members of the public are regularly present.

Back to top


Print Options


Legislation is available in different versions:

Latest Available (revised):The latest available updated version of the legislation incorporating changes made by subsequent legislation and applied by our editorial team. Changes we have not yet applied to the text, can be found in the ‘Changes to Legislation’ area.

Original (As Enacted or Made):The original version of the legislation as it stood when it was enacted or made. No changes have been applied to the text.


Opening Options

Different options to open legislation in order to view more content on screen at once


More Resources

Access essential accompanying documents and information for this legislation item from this tab. Dependent on the legislation item being viewed this may include:

  • the original print PDF of the as enacted version that was used for the print copy
  • lists of changes made by and/or affecting this legislation item
  • confers power and blanket amendment details
  • all formats of all associated documents
  • correction slips
  • links to related legislation and further information resources