LAQN Pollution Levels
Thurrock - London Road (Purfleet) (Level 2)
Reigate and Banstead - Horley FIDAS (closed)
Elmbridge - Hampton Court Parade (closed)
Elmbridge - Walton High Street (closed)
Castle Point - Hadleigh (closed)
Dacorum - High Street Northchurch (closed)
Windsor and Maidenhead - Aldebury Road (Level 1)
Reigate and Banstead - Horley (no data)
Reigate and Banstead - Horley South East (closed)
Reigate and Banstead- Earlswood Depot (closed)
Thurrock - Dock Road Tilbury (Level 1)
Thurrock - Calcutta Road Tilbury (closed)
Sevenoaks - Sevenoaks Quarry (closed)
Brentwood - Brentwood Town Hall (closed)
Castle Point - Canvey Island (closed)
Thurrock - Stanford-le-Hope (no data)
Windsor and Maidenhead - Frascati Way (Level 1)
Thurrock - Purfleet (closed)
Thurrock - London Road (Grays) (no data)
Windsor and Maidenhead - Clarence Road (Level 1)
Windsor and Maidenhead - Ascot (closed)
Elmbridge - Bell Farm Hersham (closed)
Elmbridge - Esher High Street (closed)
Mole Valley - Leatherhead (closed)
Mole Valley - Lower Ashtead (closed)
Sevenoaks - Bat and Ball (Level 1)
Mole Valley - Dorking (closed)
Sevenoaks - Greatness Park (Level 3)
Reigate and Banstead - Reigate High St (closed)
Reigate and Banstead - A23 Hooley (closed)
Reigate and Banstead - Horley South (closed)
Reigate and Banstead - Poles Lane (closed)
London Air Quality NetworkHerts and Beds Air Pollution Monitoring Network

Air pollution levels for Thursday 28 March 2024, 20:00-21:00GMT


How is the index calculated?

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Low (1-3) Moderate (4-6) High (7-9)
Low (1-3) Moderate (4-6) High (7-9)
Very High (10) No Data Closed
Very High (10) No Data Closed
Select type of pollution level to view
How the bands are calculated

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This map shows the daily air quality index from LAQN pollution analysers. Not all analysers on the network are contacted every hour, so some sites may show 'no data'. Data have undergone automatic validity checks.

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