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 512 43 29 17 33
Particulate Matter PM10 37 1 21 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 23 1 3 1 8
Nitrogen dioxide NO2 1-Hour Mean     1    
Nitrogen dioxide NO2 Annual Mean 490 42 25 16 25
Particulate Matter PM10 24-Hour Mean 33 1   1 21
Particulate Matter PM10 Annual and 24-Hour Mean 2     2 7
Particulate Matter PM10 Annual Mean 2        
Particulate Matter PM10 Scotland Annual and 24-Hour Mean     5    
Particulate Matter PM10 Scotland Annual Mean     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 1        
Nitrogen dioxide NO2 188 9 1 14 6
Particulate Matter PM10 22   1 14 3
Sulphur dioxide SO2 8     1  

Revoked AQMAs by Pollutant and Objective Declared

Pollutant Objective Declared England Wales Scotland N. Ireland London
Benzene Annual Mean 1        
Nitrogen dioxide NO2 1-hour and Annual Mean 6 1     1
Nitrogen dioxide NO2 1-Hour Mean     1    
Nitrogen dioxide NO2 Annual Mean 182 8   14 5
Particulate Matter PM10 24-Hour Mean 18     10 3
Particulate Matter PM10 Annual and 24-Hour Mean 3     4  
Particulate Matter PM10 Annual Mean 1        
Particulate Matter PM10 Scotland Annual Mean     1    
Sulphur dioxide SO2 15-Minute and 1-Hour and 24-Hour Mean 4        
Sulphur dioxide SO2 15-Minute and 24-Hour Mean 1        
Sulphur dioxide SO2 15-Minute Mean 3     1  

Current AQMAs by Source

For England

Source № of Current AQMAs by Source
Road transport unspecified 200
County or Unitary Authority Road 183
Mixture of road types 72
Highways Agency Road 43
Transport and Industrial Source 12
Industrial Source 8
Transport, Industrial and domestic sources 5
Not Defined 1
Domestic Heating 1
Railways 1

For Wales

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

For Scotland

Source № of Current AQMAs by Source
Road transport unspecified 29
County or Unitary Authority Road 4
Mixture of road types 2
Transport and Industrial Source 2
Transport, Industrial and domestic sources 2
Not Defined 1
Industrial Source 1

For N. Ireland

Source № of Current AQMAs by Source
Road transport unspecified 15
Not Defined 2
Domestic Heating 1
Mixture of road types 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 96
County or Unitary Authority Road 54
Mixture of road types 32
Industrial Source 12
Highways Agency Road 11
Transport and Industrial Source 5
Not Defined 1
Domestic Heating 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 1
Domestic Heating 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