The British Lung Foundation is urging people to be aware that high ozone levels are predicted over the weekend during what is expected to be the first summer smog episode of 2008. Ozone irritates the lungs, causing coughing and chest pain, and also stings the eyes, nose and throat. People with lung diseases are particularly at risk, but up to a third of people with healthy lungs may develop symptoms if they exercise outdoors.
The government body DEFRA is advising people to avoid short car journeys which will contribute to the high levels of ozone and to reduce exercise outdoors which limits exposure to the pollution.
‘Ozone and similar pollutants irritate the lungs and people with existing respiratory problems are particularly at risk at times of high air pollution. It is advisable to limit exposure by reducing exercise outdoors, staying indoors if possible, and keeping windows closed. Also, seek medical attention if there is any changes in your condition.’ Said Dr Keith Prowse, Chairman of the British Lung Foundation.
Ozone (O3 ) is the main ingredient of modern smog, it forms when sunlight reacts with nitrogen dioxide and other atmospheric gases on the ground. Petrol and other fuels, as well as a range of other sources, contribute to the formation of ground level ozone.
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