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NASA image: Smoke engulfs Singapore

On June 19, 2013, NASA's Terra and Aqua satellites captured striking images of smoke billowing from illegal wildfires on the Indonesian island of Sumatra. The smoke blew east toward southern Malaysia and Singapore, and news ...

dateJun 21, 2013 in Earth Sciences
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Singapore pollution reaches hazardous levels

This week Singapore's pollution standards index (PSI) reached 400, breaking all previous records and prompting government health warnings. A PSI reading above 200 indicates "very unhealthy" air, while a PSI score above 300 ...

dateJun 21, 2013 in Environment
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