People who live in city centres are twice as likely to suffer from coronary artery calcification (CAC), which can lead to heart disease, than people who live in less polluted urban and rural areas.
Heart study suggests city center pollution doubles risk of calcium build-up in arteries.
Click the map to find out about current air quality levels where you live. 
Pollution Masks - The 'Original' and still the best - Established 1993 - Made in the UK 
Respro® Masks are reusable
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