The health benefits of cycling and walking outweigh the harmful effects of air pollution, a study has suggested. Air pollution contributes to 40,000 early deaths each year in the UK and we gulp in more of it when we exercise.
The average air pollution level for cities around the globe is 22 micrograms per cubic metre, according to the World Health Organisation (WHO). In London the air pollution level was recorded at 16 micrograms per cubic metre in 2011.
Senior author Dr James Woodcock added: “Whilst this research demonstrates the benefits of physical activity in spite of air quality, it is not an argument for inaction in combating pollution.
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