Smog over Southeast Asia in 1997
In 1997 alone haze caused by air pollutants from fire spread for more than 3,200 kilometres, covering six Southeast Asian countries. In the Malaysian state of Sarawak, air pollution reached one the highest recorded indices at 839 g/m3 (levels over 301 g/m3 are equal to smoking 80 cigarettes a day).
Year: 2007
From collection: Environment and Poverty Times #1: WSSD issue
Cartographer: Philippe Rekacewicz, UNEP/GRID-Arendal