1997 Southeast Asian haze

The 1997 Southeast Asian haze was a large-scale air quality disaster which occurred during the second half of 1997, its after-effects causing widespread atmospheric visibility and health problems within Southeast Asia. The total costs of the Southeast Asian haze are estimated at US$9 billion due mainly to health care and disruption of air travel and business activities.

• http://en.wikipedia.org/wiki/1997 Southeast Asian haze