A man looks at a fire as it burns through a peatland forest in Rumbai Pesisir, Riau province, Indonesia, on June 20, 2013. Smog fueled by forest fires in Indonesia has caused Singapore's main measure for air pollution to surge to an all-time high and breached a "hazardous" classification that can aggravate respiratory ailments. Nearby Malaysia closed 200 schools and banned open burning in some areas.
This aerial photograph taken on June 17, 2013 shows smoke billowing from fires in areas surrounded by agricultural plantations in the area of Rokan Hilir town in Bengkalis Regency of Riau province, on Indonesia's Sumatra island, about 280 kilometers (173 miles) west of Singapore.
Firefighters spray water on the burning land in Marpoyan Damai subdistrict, in the outskirts of Pekanbaru, in Indonesia's Riau province, on June 20, 2013.
Indonesian motorists travel under a blanket of haze in Pekanbaru city, capital of Riau province on Sumatra island on June 20, 2013.