title: Air pollution episode
text: # Air pollution episode
  
  An air pollution episode is an unusual combination of emissions and meteorology that gives rise to high levels of air pollution over a large area. Examples of air pollution episodes include:
  
  * 1930 Meuse Valley Episode
  * 1939 Saint Louis Episode
  * 1948 Donora Episode
  * 1952 London Episode
  * 1997 Indonesian forest fires Episode
  * 2005 Malaysian Haze Episode
  * 2006 Southeast Asian Haze Episode
  * 1984 Bhopal Gas Tragedy Episode
  