The Air Quality Standards (Wales) Regulations 2007

Air quality standards

6.—(1) Subject to paragraphs (2) to (4), the following air quality standards specified in Schedule 1 are required to be attained within each zone—

(a) for Group A pollutants, the limit values set out in Part 1 of that Schedule;

(b) for Group B pollutants, the target values set out in Part 3 of that Schedule; and

(c) for ozone, the target values and long-term objectives set out in Part 4 of that Schedule.

(2) The attainment date for a limit or target value is—

(a) the attainment date specified for the relevant pollutant in Schedule 1; or

(b) where no attainment date is specified, the date on which these Regulations come into force.

(3) The long-term objectives are to be attained in the long term, to the extent these objectives are achievable through the measures required by regulation 7(3)(b).

(4) In the case of benzene and nitrogen dioxide, the margins of tolerance set out in Part 2 of Schedule 1 apply within the periods specified.