Air Quality Standards Regulations 1989 (SI 1989 No. 317).

Air Quality Standards (Amendment) Regulations 1995 (SI 1995 No. 3146).

Air Quality Limit Values Regulations 2001 (SI 2001 No. 2315).

Air Quality Limit Values (Scotland) Regulations 2001 (SSI 2001 No. 224).

Air Quality Limit Values (Wales) Regulations 2001 (SI 2001 No. 2683).

In force from 31/3/89.

1995 Regulations in force from 31/12/95.

2001 Regulations in force from 19/7/01.

To ensure acceptable quality of ambient air.

Implement EC Directive 96/62 on ambient air quality assessment and management and EC Directive 99/30 relating to limit values for sulphur dioxide, nitrogen dioxide, and oxides of nitrogen, particulate matter and lead in ambient air.

Implement EC Directives on Air Quality Limit Values for Sulphur Dioxide and Suspended Particulates (80/779), Lead (82/884) and Nitrogen Dioxide (85/203).

Impose quality standards or Air Quality Limit Values (AQLVs) for maximum concentrations of sulphur dioxide and suspended particulates, lead and nitrogen dioxide in ambient air.

Secretary of State must identify, assess (using specified methods) and classify each zone. This classification must be reviewed every five years or if significant changes.

Secretary of State under a duty to take necessary measures (taking an integrated approach to the protection of air, water and soil) to ensure these limit values are not exceeded in each zone. The limit values and dates to achieve them are set out in Schedule 1 to the Regulations.

If limit values are exceeded the Secretary of State must draw...