Air Quality in London, SW1A 0AA

Nitrogen Dioxide Exceeds EU annual limit values

Nitrogen dioxide pollution

NO2 (nitrogen dioxide) annual mean level is 48.6 µg/m³, which is above EU quality limit set to 40 µg/m³.

Increased levels of nitrogen dioxide can have significant impacts on people with asthma because it can cause more frequent and more intense attacks. Children with asthma and older people with heart disease are most at risk.

Particulate matter pollution

PM10 (10 micrometre particulate matter) annual mean level is 25.8 µg/m³, which is below EU quality limit set to 40 µg/m³.

PM2.5 (2.5 micrometre particulate matter) annual mean level is 15.2 µg/m³, which is below EU quality limit set to 25 µg/m³.

PM10d (days exceeding daily PM10 mean limit of 50 µg/m³) is approximately 15 days pear year, which is below the quality limit set to 35 days per year.

PM2.5 and PM10 are atmospheric particulate matter with a diameter smaller than respectively 10, 2.5 microns. They are also called floating dust. Long-term exposure to increased levels of PM2.5 and PM10 may trigger or worsen chronic diseases such as asthma, heart attack, bronchitis and other respiratory problems.

Nearby locations

London, SW1A 0PW
Victoria Embankment, London, SW1A 2HZ
Canon Row, London, SW1A 2JJ
Parliament Street, London, SW1A 2NE
Bridge Street, London, SW1A 2PW
St. Margaret Street, London, SW1P 3JX
Old Palace Yard, London, SW1P 3JY

Source: London Air Quality Network

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St James's, Westminster

Flood Risk in London, SW1A 0AA

Flood Risk Very Low flood risk

London, SW1A 0AA has very low flood risk

This map shows the chance of flooding from rivers and the sea, based on cells of 50m. Each cell is allocated one of four flood risk categories, taking into account flood defences and their condition.

It uses local water level and flood defence data to model flood risk across 40 different flood likelihoods.

Results are put into categories and checked by local experts:

High: greater than 1 in 30
Medium: 1 in 30 to 1 in 100
Low: 1 in 100 to 1 in 1,000
Very Low: less than 1 in 1,000

Nearby locations

London, SW1A 0PW
Victoria Embankment, London, SW1A 2HZ
Canon Row, London, SW1A 2JJ
Parliament Street, London, SW1A 2NE
Bridge Street, London, SW1A 2PW
St. Margaret Street, London, SW1P 3JX
Old Palace Yard, London, SW1P 3JY

Source: Environment Agency

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