World Health Organization’s PM 2.5- 2014

This map shows the global particular matter 2.5 (PM 2.5) recorded in 2014 by the World Health Organization. Regions with relatively low levels of PM 2.5 include North America, Western Europe, and Australia. Regions with relatively high PM 2.5 include the Middle East, India, and China.

http://communitymappingforhealthequity.org/pm-2-5-data/