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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 499 37 25 20 33
Particulate Matter PM10 36 1 21 7 29
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
Nitrogen dioxide NO2 1-Hour and Annual Mean 23 2     8
Nitrogen dioxide NO2 1-Hour Mean 1        
Nitrogen dioxide NO2 Annual Mean 475 35 23 19 25
Particulate Matter PM10 24-Hour Mean 30 1   1 22
Particulate Matter PM10 Annual and 24-Hour Mean 4   1 6 7
Particulate Matter PM10 Annual Mean 2        
Particulate Matter PM10 Scotland Annual and 24-Hour Mean     4    
Particulate Matter PM10 Scotland Annual Mean     16    
Sulphur dioxide SO2 15-Minute and 1-Hour and 24-Hour Mean 2        
Sulphur dioxide SO2 15-Minute Mean 4   1    

Revoked AQMAs by Pollutant

Pollutant England Wales Scotland N. Ireland London
Benzene 1        
Nitrogen dioxide NO2 116 4 1 7 5
Particulate Matter PM10 16   1 10 2
Sulphur dioxide SO2 8     1  

Revoked AQMAs by Pollutant and Objective Declared

Pollutant Objective Declared England Wales Scotland N. Ireland London
Benzene Annual Mean 2010 England and Wales 1        
Nitrogen dioxide NO2 1-hour and Annual Mean 4 1     1
Nitrogen dioxide NO2 1-Hour Mean     1    
Nitrogen dioxide NO2 Annual Mean 112 3   7 4
Particulate Matter PM10 24-Hour Mean 14     10 2
Particulate Matter PM10 Annual and 24-Hour Mean 2        
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 No of Current AQMAs by Source
Road transport unspecified 190
County or Unitary Authority Road 171
Mixture of road types 81
Highways Agency Road 50
Transport and Industrial Source 11
Industrial Source 8
Domestic Heating 2
Not Defined 2
Transport, Industrial and domestic sources 2
Railways 1

For Wales

Source No of Current AQMAs by Source
County or Unitary Authority Road 19
Road transport unspecified 12
Mixture of road types 5
Highways Agency Road 1
Industrial Source 1

For Scotland

Source No of Current AQMAs by Source
Road transport unspecified 24
County or Unitary Authority Road 5
Mixture of road types 3
Not Defined 1
Transport and Industrial Source 1
Industrial Source 1

For N. Ireland

Source No of Current AQMAs by Source
Road transport unspecified 19
Domestic Heating 5
Not Defined 2

For London

Source No 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 No of Current AQMAs by Source
Road transport unspecified 68
County or Unitary Authority Road 35
Mixture of road types 13
Industrial Source 10
Transport and Industrial Source 4
Highways Agency Road 3
Not Defined 1
Domestic Heating 1

For Wales

Source No of Current AQMAs by Source
Road transport unspecified 3
County or Unitary Authority Road 1

For Scotland

Source No of Current AQMAs by Source
Domestic Heating 1
County or Unitary Authority Road 1

For N. Ireland

Source No of Current AQMAs by Source
Road transport unspecified 7
Domestic Heating 6

For London

Source No of Current AQMAs by Source
Road transport unspecified 5