London Air Quality Forecast – Current Air Pollution

The latest air quality forecast for London. Pollution and particulate levels updated every hour.



London Air Pollution Summary: Low

Low air pollution forecast valid from Thursday 14 November to end of Thursday 14 November GMT.

Cloudy Thursday with showers or longer spells of rain. A relatively clean air feed arriving from the Atlantic.

Air pollution is expected to remain 'low' throughout the forecast period for the following pollutants:

Nitrogen Dioxide
Ozone
PM10 Particulates
PM2.5 Particulates
Sulphur Dioxide

Air Quality Pollution Levels

Nitrogen Dioxide Low
Ozone Low
PM10 Particulate Low
PM2.5 Particulate Low
Sulphur Dioxide Low

London Air Quality Tomorrow: Low

Low air pollution forecast valid from Friday 15 November to end of Friday 15 November GMT.

A weak low pressure system centered over eastern Europe means winds will be from an easterly direction on early Friday through into mid-afternoon. From mid-afternoon through into the evening the system starts to move northwards and wind direction moves round to be more north-westerly.

Whilst the easterly direction may see an rise in particulate import, the relatively low baseline and move round to more northerly direction later in the day means any import is unlikely to reach the Moderate threshold for the day.

Air pollution is expected to remain 'low' throughout the forecast period for the following pollutants:

Nitrogen Dioxide
Ozone
PM10 Particulates
PM2.5 Particulates
Sulphur Dioxide

Air Quality Pollution Levels: Tomorrow

Nitrogen Dioxide Low
Ozone Low
PM10 Particulate Low
PM2.5 Particulate Low
Sulphur Dioxide Low

Air Pollution Banding Value

Low 1-3
At Risk Individuals: Enjoy your usual outdoor activities.
General Population: Enjoy your usual outdoor activities.

Moderate 4-6
At Risk Individuals: Adults and children with lung problems, and adults with heart problems, who experience symptoms, should consider reducing strenuous physical activity, particularly outdoors.

General Population: Enjoy your usual outdoor activities.

High 7-9
At Risk Individuals: 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.

General Population: Anyone experiencing discomfort such as sore eyes, cough or sore throat should consider reducing activity, particularly outdoors.

Very High 10
At Risk Individuals: 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.

General Population: Reduce physical exertion, particularly outdoors, especially if you experience symptoms such as cough or sore throat.

Air Quality Disclaimer

This London air quality forecast is intended to provide information on expected pollution levels in areas of significant public exposure.

It may not apply in very specific locations close to unusually strong or short-lived local sources of pollution.

Data supplied by TfL in conjunction with London Air.

UK Traffic Delays is a reliable source of updated travel information, obtained under licence from official data providers. London travel information is used under license from TfL: Powered by TfL Open Data. Our website contains public sector travel information licensed under the: Open Government Licence v3.0.