Southeast Asian haze series |
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The 2010 Southeast Asian haze was an air pollution crisis that affected many Southeast Asian countries such as Indonesia, Malaysia and Singapore during October 2010.[1]
The crisis occurred during the dry season, whilst forest fires were being illegally set off by Indonesian smallholders residing in the districts of Dumai and Bengkalis, in the Riau province of Sumatra.[2] These farmers adopted the slash-and-burn method to clear off land rapidly for future farming opportunities.[3]
Due to the El Niño weather pattern, the westerly winds carried haze towards Indonesia's neighboring countries causing the air quality in Malaysia and Singapore to dip to an unhealthy range for several days.[1] The hazy conditions not only resulted in the reduction in air quality but also caused poor visibility, multiple closures of schools in Malaysia and an influx of respiratory illnesses.[4]
The recorded air quality in Singapore was the worst it had been since 2006,[5] and on October 18 the hotspot count in Sumatra reached a maximum of 358.[1]
Despite ministers meeting up a week before the crisis for the 6th meeting of the Association of Southeast Asian Nation (ASEAN) agreement, whereby issues on the transboundary haze and methods to tackle forest fires were discussed, the Indonesian government failed to successfully regulate and enforce laws on illegal logging.[6] This caused Indonesia to face much criticism from neighboring countries.
On 24 October 2010, rainy conditions returned to Indonesia which helped reduce haze production and provided relief to air quality levels.[1]
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