The airTEXT service provides free alerts and forecasts for air pollution, UV, pollen and temperature for Greater London. It also provides health advice.
The service is particularly useful for people who suffer from illnesses such as asthma, emphysema, heart disease, bronchitis, COPD and angina.
UK-AIR pollution forecast
The UK-AIR (Air Information Resource) web pages provide in-depth information on air quality and air pollution in the UK.
UK-AIR forecast (Defra website)