The latest air quality forecast for London. Pollution and particulate levels updated every hour.
London Air Pollution Summary: Moderate
Moderate ozone air pollution forecast valid from Wednesday 15 July to end of Wednesday 15 July GMT.
A high pressure system centered just north of the UK is resulting in settled weather with hot sunny days and temperatures close to 30 C.
An air feed from the Baltic which will have travelled over northern Europe and the Netherlands may carry some pollution from urban and industrial sources.
Ground-level ozone production is driven by rising temperatures and sunshine acting on precursor emissions such as oxides of nitrogen, Volatile Organic Compounds (VOCs) and carbon monoxide. With some increased pollution and hot sunny weather, ‘Moderate’ ozone levels are possible.
Air pollution is forecast to remain ‘Low’ for the following pollutants:
Nitrogen Dioxide
PM10 particulate
PM2.5 particulate
Sulphur Dioxide
Air Quality Pollution Levels
Nitrogen Dioxide
Low
Ozone
Moderate
PM10 Particulate
Low
PM2.5 Particulate
Low
Sulphur Dioxide
Low
London Air Quality Tomorrow: Moderate
Moderate ozone air pollution forecast valid from Thursday 16 July to end of Friday 17 July GMT.
A high pressure system centered just north of the UK is resulting in settled weather with hot sunny days and temperatures close to 30 C.
An air feed from the Baltic which will have travelled over northern Europe and the Netherlands may carry some pollution from urban and industrial sources.
Ground-level ozone production is driven by rising temperatures and sunshine acting on precursor emissions such as oxides of nitrogen, Volatile Organic Compounds (VOCs) and carbon monoxide. With some increased pollution and hot sunny weather, ‘Moderate’ ozone levels are possible.
Air pollution is forecast to remain ‘Low’ for the following pollutants:
Nitrogen Dioxide
PM10 particulate
PM2.5 particulate
Sulphur Dioxide
Air Quality Pollution Levels: Tomorrow
Nitrogen Dioxide
Low
Ozone
Moderate
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:
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