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 A high pressure system centered over Ireland and the UK moving further north on Sunday. Generally a wet day and feeling colder in a northerly air flow.<br/><br/>Air arriving will have travelled at very low altitude over the North Sea. This is expected to be a'clean'air feed with a breeze preventing any build-up of local pollution emissions.<br/><br/>Air pollution is forecast to remain 'Low' for the following pollutants:<br/><br/>Nitrogen Dioxide <br/>Ozone<br/>Sulphur Dioxide<br/>PM10 Particulate<br/>PM2.5 Particulate<br/><br/> Fri, 16 Oct 2026 11:14:27 GMT http://londonair.org.uk/forecast/55530 http://londonair.org.uk/forecast Any rain clearing on Monday with sunny intervals later.<br/><br/>Air arriving which will have originated in the North but travelled at low altitude over the continent before arriving over the London area, from the east. This air feed is expected to contain some pollution from industrial, urban and agricultural sources on the continent. A light breeze should help to disperse local emissions.<br/><br/>Air pollution is currently forecast to remain 'Low'for the following pollutants,<br/>however we will continue to monitor and update the forecast as necessary during the weekend. <br/><br/>Nitrogen Dioxide <br/>Ozone<br/>Sulphur Dioxide<br/>PM10 Particulate<br/>PM2.5 Particulate<br/><br/> Fri, 16 Oct 2026 11:30:44 GMT http://londonair.org.uk/forecast/55531