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LAQN Pollution Levels
Hillingdon - Hillingdon Hospital (no data)
Ealing - Western Avenue (Level 1)
Ealing - Court Way (closed)
Ealing - Horn Lane (Level 3)
Ealing - Ealing Town Hall (Level 1)
Ealing - Southall (Level 1)
Ealing - Acton Town Hall (Level 1)
Ealing - Acton Town Hall FDMS (no data)
Hammersmith and Fulham - Brook Green (closed)
Hillingdon - Sipson Road (no data)
Hounslow - Brentford (closed)
Hounslow - Chiswick High Road (no data)
Hammersmith and Fulham - Broadway (closed)
Hillingdon - Harlington (no data)
Hounslow - Brentford (no data)
Hounslow - Brentford (closed)
Richmond - Castelnau (Level 1)
Hounslow - Cranford (no data)
Hillingdon - Oxford Avenue (no data)
Hounslow - Heston Road (Level 1)
Heathrow Airport (no data)
Richmond - Barnes Wetlands (Level 1)
Hounslow - Hatton Cross (Level 1)
Wandsworth - Roehampton (closed)
Hounslow - Feltham (no data)
Richmond - National Physical Laboratory (no data)
Kingston - Town Centre (closed)
Richmond - Hampton Court Road (no data)

Air pollution levels recorded on Friday 10 September 2010, 04:00-05:00BST
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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
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This map shows the latest hourly readings downloaded from LAQN pollution analysers in and around Hounslow. Not all analysers on the network are contacted every hour, so some sites may show 'no data'. Data have undergone automatic validity checks.
Your selected monitoring site » Hounslow - Heston Road
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