2009 Southeast Asian haze

The 2009 Southeast Asian haze was an episode of large scale air pollution primarily caused by slash and burn practices used to clear land for agricultural purposes in Sumatra, Indonesia. It affected the areas surrounding the Straits of Malacca which besides Indonesia include Malaysia and Singapore.

The haze began in early June 2009 and progressively became worse toward July. With a prevailing dry season caused by El Nino, burning and hence the haze was expected to continue until August or September when the monsoon season arrived.[1]

Malaysia

Air Pollution Index

Daily average API readings in June 2009
DateGeorge TownKuala LumpurMalacca TownJohor BahruKuantanKuching
1Unavailable5751416529
2407352464139
3317347384327
4394631334435
5344445344135
6404047474328
7587651403928
8306760544736
9289856565231
10376758525345
11406965454830
123510863554128
13308044414651
14206453514731
15205640403837
16345142484922
17446153424434
18555849364439
19625149594246
20686147414236

  0-50  Good  51-100 Moderate 101-200 Unhealthy 201-300 Very unhealthy 301- Hazardous

References

See also

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