On June 19, NASA's Terra and Aqua satellites captured striking images of the wildfires' smoke from space.
Wildfires burning on the Indonesian island of Sumatra have sent a choking haze over Singapore, pushing air pollution to record levels.
At 12:00 p.m. local time (04:00 GMT) Friday (June 21), the Pollution Standards Index — a scale of 0 to 500 to measure air pollution — hit 401 in Singapore, the highest in the country's history. Before this week, the record had been 226, set in 1997. By 10:00 p.m. Friday, the pollution index had dropped to 153, which is still considered in the unhealthy range of air quality.
The impenetrable smog enshrouding the city could be life-threatening; officials have closed schools and urged residents to wear protective face masks or stay indoors, especially elderly, pregnant women, children and people with chronic medical conditions.
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