Singapore's air conditions remain at a level categorised as "unhealthy" as the worst smog in 16 years caused by forest fires on the Indonesian island of Sumatra enshrouded parts of the island city and Malaysia.
Smoky haze from Indonesia's forest fires on Tuesday choked Singapore and Malaysia, prompting both governments to issue health warnings to their citizens. Satellite images from Indonesia's Riau Meteorology, Geophysics and Climatology Agency showed 113 forest fires on the Indonesian island of Sumatra, causing the haze. (EPA photo)
The city-state's Pollutant Standards Index indicated 109 at 6am, the National Environment Agency said on its website on Tuesday. This is a drop from 155 at 10 pm Monday, the worst level since 1997 when it reached 226, according to the Straits Times.
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