Government health advice has been issued amid warnings pollution spreading across England will again hit high levels later.
Defra issued warnings as high pollution levels were recorded on Tuesday.
The pollution - a mix of local and European emissions and dust from the Sahara - is forecast in parts of south England, the Midlands and East Anglia.
The elderly and those with lung or heart disease are urged to avoid strenuous exercise outside.
Defra has a 10-point scale for measuring air quality - with 1 meaning there is a "low" risk of air pollution and 10 warning of "very high" levels.
Read more here — > http://www.bbc.co.uk/news/uk-26844425
Defra issued warnings as high pollution levels were recorded on Tuesday.
The pollution - a mix of local and European emissions and dust from the Sahara - is forecast in parts of south England, the Midlands and East Anglia.
The elderly and those with lung or heart disease are urged to avoid strenuous exercise outside.
Defra has a 10-point scale for measuring air quality - with 1 meaning there is a "low" risk of air pollution and 10 warning of "very high" levels.
Read more here — > http://www.bbc.co.uk/news/uk-26844425
Comment