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LAQN Pollution Levels
Brent - Ikea (Level 1)
Brent - Neasden Lane (Level 3)
Camden - Swiss Cottage (Level 1)
Ealing - Greenford (closed)
Islington - Upper Street (closed)
Brent - John Keble Primary School (Level 1)
Brent - Harlesden (closed)
Brent - St Marys Primary School (Level 1)
Islington - Duncan Terrace (closed)
Hammersmith and Fulham - Scrubs Lane (closed)
Ealing - Hanger Lane Gyratory (Level 1)
Marylebone Rd - Baker St Kerbside (closed)
Westminster - Marylebone Road FDMS (Level 2)
Westminster - Marylebone Road (Level 2)
Camden - Bloomsbury (Level 1)
Ealing - Western Avenue (no data)
Ealing - Court Way (closed)
Camden - St Martins College (NOX 2) (Level 1)
Kensington and Chelsea - North Ken (Level 2)
Kensington and Chelsea - North Ken FDMS (no data)
Camden - St Martins College (NOX 1) (closed)
Ealing - Horn Lane (Level 3)
Camden - Shaftesbury Avenue (Level 2)
City of London - Farringdon Street (closed)
Westminster - Covent Garden (no data)
Ealing - Ealing Town Hall (Level 1)
Westminster - Charing Cross Library (no data)
Ealing - Acton Town Hall (Level 1)
Ealing - Acton Town Hall FDMS (no data)
Westminster - Victoria Street (closed)
Hammersmith and Fulham - Brook Green (closed)
Kensington and Chelsea - Knightsbridge (Level 1)
Kensington and Chelsea - Cromwell Road (no data)
Westminster - Horseferry Road (Level 1)
Kensington and Chelsea - Pembroke Road (closed)
Westminster - Bridge Place (closed)
Hounslow - Brentford (closed)
Hounslow - Chiswick High Road (no data)
Hammersmith and Fulham - Broadway (closed)
Kensington and Chelsea - Earls Court Rd (no data)
Lambeth - Bondway Interchange (Level 2)
Lambeth - Vauxhall Cross (closed)
Kensington and Chelsea - Kings Road (Level 1)
Hounslow - Brentford (no data)
Hounslow - Brentford (closed)
Richmond - Castelnau (Level 1)
Hounslow - Heston Road (no data)
Richmond - Barnes Wetlands (Level 2)
Lambeth - Brixton Road (Level 2)
Wandsworth - Putney High Street (Level 2)
Wandsworth - Putney High Street Facade (no data)
Wandsworth - Town Hall (Level 1)
Wandsworth - Roehampton (closed)
Wandsworth - High Street (closed)
Wandsworth - Garratt Lane (closed)
Lambeth - Christchurch Road (Level 1)
Area Map

Air pollution levels recorded on Sunday 1 August 2010, 02:00-03:00BST
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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
This map shows the latest hourly readings downloaded 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.
You can find out more information about each location (monitoring site) by clicking on its dot on the map. Once selected you can find out further information by clicking the 'Site Details' link above.

Click the 'Statistics' link above to see results from this site compared to national limit values. Past pollution episodes can be seen by clicking on the 'Episodes' link.

Alternatively, click on the button below to see a graph of this week's pollution levels.
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