Pollution forecast 

Today

Air pollution is expected to remain Low for NO2, SO2, PM10 and PM2.5 across the country for the next 24 hours as a period of wet and windy weather affects the UK.  There is a possibility of moderete levels of ozone in rural areas.
The situation is expected to remain unchanged for the following 2 days.

Sunday

Air pollution is expected to be Moderate across the UK for the next 24 hours as a period of dry and sunny weather  affects the country. The main pollutant of concern is ozone as as the sunny conditions favour the formation of ozone in the lower atmosphere.
The situation is expected to remain unchanged until the end of the weekend.

Outlook

Heavy rain and scattered showers are expected today across eastern and southern parts of the country. Brighter and drier conditions are forecast across Scotland and Northern Ireland. The weekend will be drier with sunny spells across many parts of the UK, some rain is expected along western parts of Scotland and East Anglia. Winds will be mainly light to moderate but fresh at times in eastern parts. After a dry and bright weekend the weather will be again unsettled with showers and heavy rain affecting many parts of the UK.

Forecast air mass back trajectories indicate that the majority of incoming air masses will be arriving from the North Atlantic with some recirculation over the British Isle. Currently all pollutants remain low at all AURN sites. The CMAQ model forecasts low levels of pollution across the UK for today. For tomorrow the model predicts widespread moderate ozone across the country. Under the unsettled weather conditions it is very likely that moderate ozone will clear by the end of the weekend.