The sun rises over the Singapore Central Business District, or CBD skyline as the haze or smog envelopes the city on Thursday, June 20, 2013. A smoky haze triggered by forest fires in neighboring ... more 
The sun rises over the Singapore Central Business District, or CBD skyline as the haze or smog envelopes the city on Thursday, June 20, 2013. A smoky haze triggered by forest fires in neighboring Indonesia has caused air pollution to briefly hit its worst level in nearly 16 years in Singapore. (AP Photo/Joseph Nair) less 
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Associated Press | Photo By Joseph Nair
Thu, Jun 20, 2013 2:32 AM EDT