ຄວັນ ຈາກໄຟໄໝ້ປ່າ ປົກຄຸມ ມະເລເຊຍ, ອິນໂດເນເຊຍ ແລະສິງກະໂປ

A motorist wears a face mask as he rides through a town shrouded with thick haze in Muar, northwestern Johor, Malaysia, June 22, 2013.

Villagers ride a motorcycle in haze in Dumai, Indonesia, June 21, 2013.

A fireman attempts to extinguish forest fire on a peatland forest in Rumbai Pesisir, Riau province, Indonesia, Thursday, June 20, 2013. Smog fueled by forest fire in Indonesia has caused Singapore's main measure for air pollution to surge to an all-time h

Volunteers prepare new face masks to give to residents in Dumai, Indonesia, June 21, 2013.

The Singapore Central Business District skyline covered with a thick haze, June 21, 2013.

Office workers walk through a haze blanketing the Singapore Central Business District, June 20, 2013.

A street vendor is seen wearing a face mask in Dumai, Indonesia, June 21, 2013.

A man wears a mask as he walks to cross a street shrouded by haze in Beijing, China, Jan. 10, 2012.

The sun rises over the Singapore Central Business District, or CBD skyline as the haze or smog envelopes the city, June 20, 2013.

A woman wearing a mask walks amid heavy haze on a winter day in Beijing, China, January 29, 2013. Beijing's air pollution returns to 'hazardous' levels, two weeks after record readings of small particles in the air sparked a public outcry.

The Singapore Flyer is pictured on a hazy day in Singapore, June 17, 2013. The haze worsened with the Pollutant Standards Index (PSI) hitting 111 at 4 pm, according to local media.

Skyscrapers are obscure by heavy haze in Beijing Jan. 13, 2013.

Buildings in Beijing are pictured on a day with heavy haze and smog, October 28, 2011.

A woman wearing a mask walks on a heavy haze day during winter in Beijing January 29, 2013.

A large screen shows Tiananmen Gate under blue skies at Beijing's Tiananmen Square as delegates arrive for a plenary session of the National People's Congress (NPC) at the Great Hall of the People (R) in the dust storm and haze, Mar. 8, 2013.

A man wears a mask on Tiananmen Square in thick haze in Beijing Tuesday, Jan. 29, 2013. Extremely high pollution levels shrouded eastern China for the second time in about two weeks. (AP Photo/Ng Han Guan)

Malaysian landmark Putra Perdana in Putrajaya is seen shrouded by haze from forest fires raging across Indonesia, (File photo).

A man jogs along the deserted Marina Promenade as the skyline of Singapore's central business district in the background is covered in haze, June 21, 2013.

Construction workers wear face masks to protect them from a heavy smoke haze as they perform morning exercises at the start of their shift in Singapore, June 20, 2013. Singapore's air quality deteriorated to "hazardous" levels as smoke from slash-and-burn

Haze blankets the National Stadium, also known as the Bird's Nest, as seen from inside the Olympic Green area in Beijing during the Olympics, August 7, 2008.

Malaysia