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- Published by:
- Natural Resources Wales
- Last updated:
- 14 October 2025
The General Quality Assessment (GQA) Headline Indicator scheme or GQAHI (previously known as GQA) was the national indicator for water quality in rivers and canals. It was designed to provide an...
- Published by:
- Natural Resources Wales
- Last updated:
- 22 June 2023
The General Quality Assessment (GQA) Headline Indicator scheme or GQAHI (previously known as GQA) was the national indicator for water quality in rivers and canals. It was designed to...
- Published by:
- Cambridge City Council
- Last updated:
- 10 February 2016
Area determined to have poor air quality, that requires an Air Quality Action Plan to improve air quality in Cambridge.
- Published by:
- City of York Council
- Last updated:
- 17 November 2024
Air quality data for 2017 and 2018 for the 9 air quality monitoring stations in York. The values in the "Status" column should be interpreted as follows: __P__ - Provisional Data, __R__ - Ratified...
- Published by:
- Colchester Borough Council
- Last updated:
- 10 February 2016
Air Quality Management Areas (AQMAs) captured as regions against Ordnance Survey MasterMap; attribution includes area location. The data is maintained by Professional Services Officers. This...
- Published by:
- Natural Resources Wales
- Last updated:
- 14 October 2025
The River Quality Objectives (RQO) classification was used for planning water quality improvements until 2006 when the scheme ended. The national RQO classification scheme ceased at the end of...
- Published by:
- Natural Resources Wales
- Last updated:
- 22 June 2023
The River Quality Objectives (RQO) classification was used for planning water quality improvements until 2006 when the scheme ended. The national RQO classification scheme ceased at the end...
- Published by:
- Tandridge District Council
- Last updated:
- 28 August 2021
Identified areas where air quality objectives for a particular pollutant are unlikely to be met. Upon accessing this Licensed Data you will be deemed to have accepted the terms of the Public Sector...
- Published by:
- Runnymede Borough Council
- Last updated:
- 31 August 2016
This dataset shows identified areas where air quality objectives for a particular pollutant are unlikely to be met.
Since December 1997 each local authority in the UK has been carrying out a...
- Published by:
- North Hertfordshire District Council
- Last updated:
- 03 October 2024
Air Quality Management Areas - The Environment Agency is a regulator for the release of air pollutants into the atmosphere from large, complex industrial processes. This will soon include emissions...
- Published by:
- British Geological Survey (BGS)
- Last updated:
- 14 January 2026
Joint BGS/Environment Agency dataset of aquifer designations for England and Wales at 1:50 000. The dataset identifies different types of aquifer - underground layers of water-bearing permeable...
- Published by:
- Stockport Metropolitan Borough Council
- Last updated:
- 29 April 2016
Air Quality Management Areas in Stockport
- Published by:
- Royal Borough of Kensington and Chelsea
- Last updated:
- 13 December 2023
Location of Air Quality Monitoring sites
- Published by:
- Salford City Council
- Last updated:
- 23 August 2021
Salford operates a number of automatic air quality stations for measurement of pollutants using continuous analyses. Some sites are part of the Department of Environment and Rural Affairs (DEFRA)...
- Published by:
- British Geological Survey (BGS)
- Last updated:
- 14 January 2026
This dataset classifies bedrock and superficial geologic units according to their aquifer designation - Principal Aquifers, Secondary Aquifers (Secondary A, Secondary B, and Secondary...
- Published by:
- British Geological Survey (BGS)
- Last updated:
- 14 January 2026
This dataset classifies bedrock and superficial geologic units according to their aquifer designation - Principal Aquifers, Secondary Aquifers (Secondary A, Secondary B, and Secondary...
- Published by:
- Milton Keynes Council
- Last updated:
- 10 February 2016
Air quality management areas within Milton Keynes
- Published by:
- Milton Keynes Council
- Last updated:
- 10 February 2016
Air quality monitoring stations within Milton Keynes
- Published by:
- Ministry of Defence
- Last updated:
- 31 August 2013
Army App managed by Army Command
- Published by:
- City and County of Swansea
- Last updated:
- 10 February 2016
Polygons showing extent of air quality management zones