Top 10 Most Polluted Cities In World 2012-2013

Top 10 Most Polluted Cities In World 2012-2013 
Data by World Health Organization (WHO)
S.No:- Cities,Country
( 1 ) Ahwaz, Iran
( 2 ) Ulaanbaatar, Mongolia
( 3 ) Sanandaj, Iran
( 4 ) Ludhiana, India
( 5 ) Quetta, Pakistan
( 6 ) Kermanshah, Iran
( 7 ) Peshawar, Pakistan
( 8 ) Gaborone, Botswana
( 9 ) Yasouj, Iran
( 10 )Kanpur, India
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