Outdoor air pollution is the largest environmental risk to public health. Pollutants such as particulate matter (PM), nitrogen dioxide (NO2) and ozone (O3) can have a negative impact on health, particularly in children and young people, older people and those with chronic health conditions.

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Air pollution and health in Wales

Public Health Wales

Air Quality in Wales

Welsh Government

Making a Difference: Reducing health risks associated with road traffic air pollution in Wales 2018

Public Health Wales

Reducing Road Traffic Air Pollution in Wales

Public Health Wales

Working together to reduce outdoor air pollution, risks and inequalities

Public Health Wales, Welsh Government

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