air pollution
presence of dangerous substances in the atmosphere
smog
severe air pollution
laze
acid rain and air pollution arising from steam explosions and large plume clouds containing extremely acidic condensate (mainly hydrochloric acid), which occur when molten lava flows enter cold oceans; a portmanteau of lava and haze
fugitive emission
unintended release of gases
Southeast Asian haze
Regular large scale fire-related air pollution problems that occurs in Southeast Asia