Top 10 Cities With The Most Polluted Air

Original source : http://www.smashinglists.com
Posted : September 2013
Author : Kate

Do you live in a polluted city? It’s a complaint often heard by the residents of “super-cities” like New Yorkand London that their air isn’t clean, but it might surprise you to know that both those cities have relatively healthy air, according to the WHO. On their air pollution database, they use a measure called PM10, which tells you the amount of small particles found in the air of each city  – small being smaller than 10 microns. These are the particles that you can breathe into your lungs, so it’s an important measure to look at when it comes to health risks. On their scale, New York comes in at around 21ug/m3 (micrograms per cubic meter), compared to a global average of 71  – and the lower, the better. Londonalso does pretty well with just 29 ug/m3. So where are all these cities that are bumping up the global average? The results may surprise you, as most lists use the 2007 top 10, as published by Time (this list also takes into account other types of pollutants. But things change quickly, and the data from the WHO in 2011 has some new contenders, so here are our Top 10 Cities With The Most Polluted Air.

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