LAQN Pollution Levels
Harrow - Stanmore (Level 2)
Barnet - Tally Ho Corner (closed)
Enfield - Bowes Primary School (Level 2)
Haringey - Bounds Green (closed)
Barnet - Strawberry Vale  (closed)
Barnet - Finchley (closed)
Brent - Kingsbury (closed)
Harrow - Pinner Road (Level 2)
Haringey - Priory Park (closed)
Haringey  - Priory Park South (Level 3)
Islington - Foxham Gardens (closed)
Islington - Arsenal (Level 3)
Brent - Ikea Car Park (closed)
Islington - Holloway Road (no data)
Brent - Ikea (no data)
Brent - Neasden Lane (Level 3)
Camden - Swiss Cottage (Level 2)
Ealing - Greenford (closed)
Islington - Upper Street (closed)
Brent - John Keble Primary School (Level 2)
Brent - Harlesden (closed)
Brent - St Marys Primary School (closed)
Camden - Coopers Lane (Level 2)
Islington - Duncan Terrace (closed)
Brent - ARK Franklin Primary Academy (Level 2)
Hammersmith and Fulham - Scrubs Lane (closed)
Ealing - Hanger Lane Gyratory (Level 2)
Camden - Euston Road (Level 3)
Westminster - Marylebone Road FDMS (Level 2)
Marylebone Road - BAM (no data)
Westminster - Marylebone Road (Level 2)
Camden - Bloomsbury (Level 2)
Ealing - Court Way (closed)
Ealing - Western Avenue (Level 3)
Ealing - Horn Lane (Level 3)
Camden - St Martins College (NOX 2) (closed)
North Kensington MET (closed)
Kensington and Chelsea - North Ken (Level 3)
Kensington and Chelsea - North Ken FDMS (closed)
Kensington and Chelsea - North Ken FIDAS (Level 2)
Camden - St Martins College (NOX 1) (closed)
Camden - Holborn (Bee Midtown) (no data)
Ealing - Horn Lane TEOM (Level 3)
Westminster - Cavendish Square (Level 2)
Westminster - Oxford Street East (Level 2)
Camden - Shaftesbury Avenue (closed)
City of London - Farringdon Street (no data)
Westminster - Duke Street (Grosvenor) (Level 2)
Westminster - Oxford Street (Level 2)
Regent Street facade (The Crown Estate) (closed)
Regent Street (The Crown Estate) (closed)
Westminster - Covent Garden (Level 2)
Westminster - Strand (Northbank BID) (no data)
Ealing - Ealing Town Hall (closed)
Westminster - Charing Cross Library (closed)
Waterloo Place (The Crown Estate) (closed)
Ealing - Southall FDMS (closed)
Ealing - Acton Town Hall (Partisol) (closed)
Ealing - Acton Town Hall (closed)
Ealing - Acton Town Hall FDMS (closed)
Ealing - Southall Railway (closed)
Hammersmith and Fulham - Shepherds Bush (closed)
Ealing - Acton Vale  (Level 2)
Westminster - Victoria Street (closed)
Hounslow and Ealing - Gunnersbury Avenue (closed)
Hammersmith and Fulham - Brook Green (closed)
Kensington and Chelsea - Knightsbridge (closed)
Westminster - Victoria (Victoria BID) (closed)
Westminster - Victoria (closed)
Area Map

Peak air pollution levels for Wednesday 25 March 2020


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
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How the bands are calculated

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This map shows daily maximum index values for the date you have selected. Manually checked data from each operational monitoring site is included.

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Species Air Pollution Index/Value
Nitrogen Dioxide: View the Government's health advice for this level of air pollution
PM10 Particulate: View the Government's health advice for this level of air pollution
PM2.5 Particulate: View the Government's health advice for this level of air pollution
What do these symbols mean?
This week's pollution graph
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Air pollution banding Value Accompanying health messages for at-risk groups and the general population
At-risk individuals * General population
Low 1-3 Enjoy your usual outdoor activities. Enjoy your usual outdoor activities.
Moderate 4-6 Adults and children with lung problems, and adults with heart problems, who experience symptoms, should consider reducing strenuous physical activity, particularly outdoors. Enjoy your usual outdoor activities.
High 7-9 Adults and children with lung problems, and adults with heart problems, should reduce strenuous physical exertion, particularly outdoors, and particularly if they experience symptoms. People with asthma may find they need to use their reliever inhaler more often. Older people should also reduce physical exertion. Anyone experiencing discomfort such as sore eyes, cough or sore throat should consider reducing activity, particularly outdoors.
Very High 10 Adults and children with lung problems, adults with heart problems, and older people, should avoid strenuous physical activity. People with asthma may find they need to use their reliever inhaler more often. Reduce physical exertion, particularly outdoors, especially if you experience symptoms such as cough or sore throat.
* Adults and children with heart or lung problems are at greater risk of symptoms. Follow your doctor's usual advice about exercising and managing your condition. It is possible that very sensitive individuals may experience health effects even on Low air pollution days.
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