Summary AQMA data

A summary of AQMAs is shown below.

Current AQMAs by Pollutant

Pollutant England Wales Scotland N. Ireland London
Benzene          
Nitrogen dioxide NO2 492 43 27 17 33
Particulate Matter PM10 37 1 20 3 28
Sulphur dioxide SO2 6   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 England Wales Scotland N. Ireland London
Benzene Annual Mean          
Nitrogen dioxide NO2 1-Hour and Annual Mean          
Nitrogen dioxide NO2 1-Hour Mean     1    
Nitrogen dioxide NO2 Annual Mean 470 42 23 16 25
Particulate Matter PM10 24-Hour Mean 33 1   1 21
Particulate Matter PM10 Annual and 24-Hour Mean 2   4 2 7
Particulate Matter PM10 Annual Mean 2   16    
Sulphur dioxide SO2 15-Minute and 1-Hour and 24-Hour Mean 1        
Sulphur dioxide SO2 15-Minute and 24-Hour Mean          
Sulphur dioxide SO2 15-Minute Mean 5   1    

Revoked AQMAs by Pollutant

Pollutant England Wales Scotland N. Ireland London
Benzene          
Nitrogen dioxide NO2 8        
Particulate Matter PM10          
Sulphur dioxide SO2          

Revoked AQMAs by Pollutant and Objective Declared

Pollutant Objective Declared England Wales Scotland N. Ireland London
Nitrogen dioxide NO2 1-Hour and Annual Mean          
Nitrogen dioxide NO2 Annual Mean 7        

Current AQMAs by Source

For England

Source № of Current AQMAs by Source
Road transport unspecified 196
County or Unitary Authority Road 176
Mixture of road types 69
Highways Agency Road 38
Transport and Industrial Source 12
Industrial Source 8
Transport, Industrial and domestic sources 4
Domestic Heating 1
Railways 1
Not Defined 1

For Wales

Source № of Current AQMAs by Source
County or Unitary Authority Road 20
Road transport unspecified 15
Mixture of road types 7
Highways Agency Road 1
Industrial Source 1

For Scotland

Source № of Current AQMAs by Source
Road transport unspecified 28
County or Unitary Authority Road 3
Transport, Industrial and domestic sources 2
Transport and Industrial Source 2
Not Defined 1
Industrial Source 1
Mixture of road types 1

For N. Ireland

Source № of Current AQMAs by Source
Road transport unspecified 15
Not Defined 2
Mixture of road types 1
Domestic Heating 1

For London

Source № of Current AQMAs by Source
Road transport unspecified 26
Transport and Industrial Source 4
Mixture of road types 2
County or Unitary Authority Road 1

Revoked AQMAs by Source

For England

Source № of Revoked AQMAs by Source
Road transport unspecified 100
County or Unitary Authority Road 61
Mixture of road types 31
Highways Agency Road 14
Industrial Source 12
Transport and Industrial Source 5
Transport, Industrial and domestic sources 1
Domestic Heating 1
Not Defined 1

For Wales

Source № of Revoked AQMAs by Source
Road transport unspecified 6
County or Unitary Authority Road 2
Highways Agency Road 1

For Scotland

Source № of Revoked AQMAs by Source
County or Unitary Authority Road 2
Road transport unspecified 1
Domestic Heating 1
Mixture of road types 1

For N. Ireland

Source № of Revoked AQMAs by Source
Road transport unspecified 13
Domestic Heating 10
Mixture of road types 1

For London

Source № of Revoked AQMAs by Source
Road transport unspecified 6