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 Dry and settled with light winds with plenty of strong sunshine across the region. <br/><br/>With temperatures forecast to reach the mid 30s by mid week, in these conditions, locally emitted and longer-range pollutants will react photochemically in the strong sunshine to form ground level ozone. Consequently, 'Moderate' levels of ozone are likely to develop during the afternoons. Moderate levels have been reached on days these past couple weeks and this will likely continue.<br/><br/>Air pollution is forecast to remain 'Low' for the following pollutants:<br/><br/>Nitrogen Dioxide<br/>PM10 particulate<br/>PM2.5 particulate<br/>Sulphur Dioxide Tue, 11 Aug 2026 10:37:43 GMT http://londonair.org.uk/forecast/54686