Summary AQMA data

A summary of AQMAs is shown below.

Current AQMAs by Pollutant

Pollutant EnglandWalesScotlandNorthern IrelandLondon
Nitrogen dioxide NO2 426 43 22 17 36
Particulate Matter PM10 21 1 23 2 29
Sulphur dioxide SO2 4 1

Note this table does not provide a total count for the number of AQMAs declared. It is a count of the number of AQMAs declared for each pollutant. For example where an AQMA has been declared for both NO2 and PM10 it will have two entries in the above table.

Current AQMAs by Pollutant and Objective Declared

Pollutant Objective Declared EnglandWalesScotlandNorthern IrelandLondon
Nitrogen dioxide NO2 1-Hour and Annual Mean 25 1 3 2 9
Nitrogen dioxide NO2 1-Hour Mean 1
Nitrogen dioxide NO2 Annual Mean 401 42 19 15 26
Particulate Matter PM10 24-Hour Mean 20 1 1 22
Particulate Matter PM10 Annual and 24-Hour Mean 1 4 1 7
Particulate Matter PM10 Annual Mean 19
Sulphur dioxide SO2 15-Minute and 1-Hour and 24-Hour Mean
Sulphur dioxide SO2 15-Minute Mean 4 1

Revoked AQMAs by Pollutant

Pollutant EnglandWalesScotlandNorthern IrelandLondon
Benzene C6H6 1
Nitrogen dioxide NO2 299 12 12 15 7
Particulate Matter PM10 41 6 15 4
Sulphur dioxide SO2 9 1

Revoked AQMAs by Pollutant and Objective Declared

Pollutant Objective Declared EnglandWalesScotlandNorthern IrelandLondon
Benzene C6H6 Annual Mean 1
Nitrogen dioxide NO2 1-Hour and Annual Mean 14 2 2 1
Nitrogen dioxide NO2 1-Hour Mean 2 2
Nitrogen dioxide NO2 Annual Mean 283 10 8 15 6
Particulate Matter PM10 24-Hour Mean 34 10 4
Particulate Matter PM10 Annual and 24-Hour Mean 3 1 5
Particulate Matter PM10 Annual Mean 4 5
Sulphur dioxide SO2 15-Minute and 1-Hour and 24-Hour Mean 5
Sulphur dioxide SO2 15-Minute and 24-Hour Mean 1
Sulphur dioxide SO2 15-Minute Mean 3 1

Current AQMAs by Source

England

Source № of Current AQMAs by Source
County or Unitary Authority Road 157
Domestic Heating 1
Highways Agency Road 32
Industrial Source 7
Mixture of road types 64
Not Defined 1
Road transport unspecified 159
Transport and Industrial Source 10
Transport, Industrial and domestic sources 4

Wales

Source № of Current AQMAs by Source
County or Unitary Authority Road 21
Domestic Heating
Highways Agency Road 2
Industrial Source 1
Mixture of road types 5
Not Defined
Road transport unspecified 15
Transport and Industrial Source
Transport, Industrial and domestic sources

Scotland

Source № of Current AQMAs by Source
County or Unitary Authority Road 4
Domestic Heating
Highways Agency Road
Industrial Source 1
Mixture of road types 1
Not Defined 1
Road transport unspecified 22
Transport and Industrial Source 2
Transport, Industrial and domestic sources 2

Northern Ireland

Source № of Current AQMAs by Source
County or Unitary Authority Road
Domestic Heating 1
Highways Agency Road
Industrial Source
Mixture of road types 1
Not Defined 2
Road transport unspecified 15
Transport and Industrial Source
Transport, Industrial and domestic sources

London

Source № of Current AQMAs by Source
County or Unitary Authority Road 1
Domestic Heating
Highways Agency Road
Industrial Source
Mixture of road types 2
Not Defined
Road transport unspecified 28
Transport and Industrial Source 4
Transport, Industrial and domestic sources 1

Revoked AQMAs by Source

England

Source № of revoked AQMAs by Source
County or Unitary Authority Road 88
Domestic Heating 1
Highways Agency Road 24
Industrial Source 13
Mixture of road types 46
Not Defined 1
Railways 1
Road transport unspecified 135
Transport and Industrial Source 7
Transport, Industrial and domestic sources 1

Wales

Source № of revoked AQMAs by Source
County or Unitary Authority Road 2
Domestic Heating
Highways Agency Road 1
Industrial Source
Mixture of road types
Not Defined
Railways
Road transport unspecified 6
Transport and Industrial Source
Transport, Industrial and domestic sources

Scotland

Source № of revoked AQMAs by Source
County or Unitary Authority Road 2
Domestic Heating 1
Highways Agency Road
Industrial Source
Mixture of road types 1
Not Defined
Railways
Road transport unspecified 6
Transport and Industrial Source
Transport, Industrial and domestic sources

Northern Ireland

Source № of revoked AQMAs by Source
County or Unitary Authority Road
Domestic Heating 10
Highways Agency Road
Industrial Source
Mixture of road types 1
Not Defined
Railways
Road transport unspecified 13
Transport and Industrial Source
Transport, Industrial and domestic sources

London

Source № of revoked AQMAs by Source
County or Unitary Authority Road
Domestic Heating
Highways Agency Road
Industrial Source
Mixture of road types
Not Defined
Railways
Road transport unspecified 6
Transport and Industrial Source
Transport, Industrial and domestic sources