Pedestrians rest in the Marina Bay district as The Fullerton hotel stands shrouded in smog in Singapore, on Thursday, Sept. 24, 2015. The haze from...
The Singapore Flyer Ferris wheel, right, stands shrouded in smog in Singapore, on Thursday, Sept. 24, 2015. The haze from Indonesian forest fires...
Boat passes by the Art Science Museum, which stands shrouded in smog, in the Marina Bay district in Singapore, on Thursday, Sept. 24, 2015. The haze...
Bird is perched on a building at Marina Bay as buildings in the central business district stand shrouded in smog in Singapore, on Thursday, Sept. 24,...
Pedestrians look at a smart device in the Marina Bay district as buildings in the central business district stand shrouded in smog in Singapore, on...
Pedestrian looks at a smart device from a viewing point in the Marina Bay district as buildings in the central business area stand shrouded in smog...
Buildings in the central business district stand shrouded in smog in Singapore, on Thursday, Sept. 24, 2015. The haze from Indonesian forest fires...
People look out towards the city skyline at Marina Bay as buildings in the central business district stand shrouded in smog in Singapore, on...
Pedestrian wearing a face mask uses a smart device at Marina Bay as buildings in the central business district stand shrouded in smog in Singapore,...
The Gardens By The Bay complex stands shrouded in smog in Singapore, on Thursday, Sept. 24, 2015. The haze from Indonesian forest fires pushed...
The city skyline at Marina Bay as buildings in the central business district stand shrouded in smog in Singapore, on Thursday, Sept. 24, 2015. The...
Pedestrians look out towards the city skyline at Marina Bay as buildings in the central business district stand shrouded in smog in Singapore, on...
Waterfront river cleaners sit in their boat near the Marina Bay Sands hotel towers and the Sands Expo and Convention Center, center, as they stand...
Waterfront river cleaners sit in their boat near the Marina Bay Sands hotel towers and the Sands Expo and Convention Center, center, as they stand...
Laborers wear face masks as they transport loads of materials in Singapore, on Friday, June 21, 2013. Singapore's smog hit its worst level,...
Office buildings stand shrouded in smog in Singapore, on Friday, June 21, 2013. Singapore's smog hit its worst level, blanketing the city-state in...
Man wears an N95 face mask in Singapore, on Friday, June 21, 2013. Singapore's smog hit its worst level, blanketing the city-state in thick, smoky...
Pedestrians wear face masks as they walk through the central business district of Singapore, on Friday, June 21, 2013. Singapore's smog hit its worst...
Man wears an N95 face mask in Singapore, on Friday, June 21, 2013. Singapore's smog hit its worst level, blanketing the city-state in thick, smoky...
Woman covers her mouth and nose as she walks through Raffles Place in Singapore, on Friday, June 21, 2013. Singapore's smog hit its worst level,...
Man sits with his headphones at Raffles Place in Singapore, on Friday, June 21, 2013. Singapore's smog hit its worst level, blanketing the city-state...
The Overseas Union Bank Centre building, left, and the United Overseas Bank Plaza Two building, right, stand shrouded in smog in Singapore, on...
Office buildings stand shrouded in smog in Singapore, on Friday, June 21, 2013. Singapore's smog hit its worst level, blanketing the city-state in...
Office workers wearing face masks walk through Raffles Place as office buildings stand shrouded in smog in Singapore, on Friday, June 21, 2013....
Office workers wearing face masks carry bags of takeaway food as they cross a road during lunch hour in Singapore, on Friday, June 21, 2013....
Notice about the supply of N95 face masks is displayed at the cashier at a Guardian store, operated by Dairy Farm International Holdings Ltd., in...
Woman wearing a face mask carries bags of takeaway food as she walks along a road during lunch hour in Singapore, on Friday, June 21, 2013....
Pedestrians and office workers wear face masks as they cross a street in Singapore, on Friday, June 21, 2013. Singapore's smog hit its worst level,...
Man attempts to take a photograph of the city skyline shrouded in smog in Singapore, on Friday, June 21, 2013. Singapore's smog hit its worst level,...
Machinery stand on a construction site at Marina Bay as buildings in the central business district, rear, stand shrouded in smog in Singapore, on...
Man attempts to photograph the city skyline from the promenade at Marina Bay as buildings in the central business district stand shrouded in smog in...
Construction workers labor by the side of a road in Singapore, on Friday, June 21, 2013. Singapore's smog hit its worst level, blanketing the...
Man looks out towards the city skyline from the boardwalk at Marina Bay as buildings in the central business district stand shrouded in smog in...
Pedestrians wearing face masks walk along the promenade at Marina Bay as buildings in the central business district stand shrouded in smog in...
Couple wearing face masks walk along the boardwalk at Marina Bay as buildings in the central business district stand shrouded in smog in Singapore,...
Woman covers her mouth and nose with a face mask as she walks past the central business district of Singapore, on Friday, June 21, 2013. Singapore's...
Woman covers her mouth and nose with a face mask as she walks past the central business district of Singapore, on Friday, June 21, 2013. Singapore's...