Air pollution in London is monitored and published on a website run by Imperial College London. As well as technical data, simple information and a daily forecasts are provided at londonair.org.uk All UK cities are affected, with London considered the most polluted due to its size and road network. The effects of city pollution are also experienced in more distant areas such as suburban and rural locations. The main pollutants are: carbon monoxide, nitrogen dioxide, ground level ozone, particulates, sulphur dioxide, hydrocarbons and lead.

With air pollution affecting heart, circulation, respiratory and neurological health - we should all take part in reducing emissions.