Bangalore among top polluted megacities in the world: study

Scientists at Tel Aviv University tracked pollution trends for 189 megacities, including Mumbai, New York City and Tokyo, by analysing eight years' worth of data from three of NASA's high-tech aerosol monitoring satellites.

Northeast China, India, the Middle East, and Central Africa are currently leading in pollution increase, including Bangalore, with a 34 per cent average increase in aerosol concentration between 2002 and 2010, website Tel Aviv University's American Friends (AFTAU) reported.

Europe and Northeast and Central North America are seeing the largest decreases in aerosol concentrations overall, the website said.

Among the cleanest cities were Houston, with a 31 per cent decrease over the time period; Curitiba, Brazil, with a 26 per cent decrease; and Stockholm, Sweden, with a 23 per cent decrease.

 

Researchers led by Pinhas Alpert of Tel Aviv University's Department of Geophysics and Planetary Sciences tracked pollution trends for 189 megacities