http://londonair.org.uk/forecast Air pollution forecasts for London from Imperial College London hourly 1 This 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. http://londonair.org.uk/forecast Another hot day on Friday with some cloud cover in the afternoon. <br/><br/>Back trajectories indicate the arrival of Atlantic relatively 'clean' air feed, which will aid dispersion of local emissions.<br/><br/>Air pollution is forecast to remain 'Low' for the following pollutants:<br/><br/>Nitrogen Dioxide<br/>Ozone<br/>PM10 particulate<br/>PM2.5 particulate<br/>Sulphur Dioxide Wed, 12 Aug 2026 10:24:23 GMT http://londonair.org.uk/forecast/54698 http://londonair.org.uk/forecast Variable cloud cover and sunny intervals on Saturday. <br/><br/>Back trajectories indicate the arrival of Atlantic relatively 'clean' air feed from the north, it should aid dispersion of local emissions.<br/><br/>Air pollution is forecast to remain 'Low' for the following pollutants:<br/><br/>Nitrogen Dioxide<br/>Ozone<br/>PM10 particulate<br/>PM2.5 particulate<br/>Sulphur Dioxide Thu, 13 Aug 2026 10:16:07 GMT http://londonair.org.uk/forecast/54713