A haze has descended over Singapore and residents are being urged to remain indoors, after raging forest fires in neighbouring Indonesia cloaked the city in a dangerous smog.

Singapore's air pollution counter has reached a "hazardous" level and is being registered as the highest on record. Malaysia has been forced to shut 200 schools.

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Pedestrians wearing masks cross a street in the central business district in Singapore.

The haze has also strained ties between Singapore and Indonesia, with Jakarta saying Singaporeans are "behaving like children" after officials urged Indonesia to do more to stop the fires.

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singapore

The Singapore Flyer is barely visible through thick smoke haze

Farmers and plantation owners are using fires to cheaply clear land on Sumatra Island.

Singapore should not be behaving like a child and making all this noise," said Indonesian minister Agung Laksono on Thursday.

Dr Vivian Balakrishnan, Singapore's Environment and Water Resources Minister, wrote on his Facebook wall that: "No country or corporation has the right to pollute the air at the expense of Singaporeans' health and wellbeing."

Officials from two countries are scheduled to meet to hear and discuss each other's concerns later on Thursday.

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  • INDONESIA-SINGAPORE-MALAYSIA-ENVIRONMENT-HAZE

    Commuters travel on a road blanketed by haze due to nearby forest fires, in Pekanbaru city, capital of Riau province on Sumatra island on June 19, 2013. Singapore on July 18, 2013 stepped up the pressure on Indonesia to fight forest fires as smog from Sumatra island continued to shroud the densely populated city-state. AFP PHOTO / HAFIZ ALFARISSI (Photo credit should read HAFIZ ALFARISSI/AFP/Getty Images)

  • Singapore Air Quality Reaches 'Hazardous' Levels

    SINGAPORE - JUNE 20: Two people look out over the smoke shrouded Singapore skyline from the Marina Bay Skypark on June 20, 2013 in Singapore. The Pollutant Standards Index (PSI) rose to the highest level on record reaching 371 at 1pm. The haze is created by deliberate slash-and-burn forest fires started by companies in neighbouring Sumatra. (Photo by Chris McGrath/Getty Images)

  • MALAYSIA-INDONESIA-ENVIROMENT-HAZE

    Haze covers the JohorSingapore Causeway in Johor Bahru, southern Malaysia on June 20, 2013 as acrid odour of burnt wood and grass could be smelled in living rooms and bedrooms across Singapore as well as inside the air-conditioned trains of Singapore's metro system. Malaysia was shrouded with smoky haze attributed to mainly fires burning on the Indonesian island of Sumatra causing 'unhealthy' levels of pollution in six areas. MALAYSIA OUT AFP PHOTO (Photo credit should read STR/AFP/Getty Images)

  • SINGAPORE-ENVIRONMENT-HEALTH-HAZE

    A general view shows part of the city shrouded by haze in Singapore on June 20, 2013. Singapore on June 20 demanded 'definitive' action by Indonesia on forest fires raging in Sumatra as the two neighbours prepared for emergency talks to ease the severe smog enveloping the city-state. AFP PHOTO / Roslan Rahman (Photo credit should read ROSLAN RAHMAN/AFP/Getty Images)

  • Singapore Air Quality Reaches 'Hazardous' Levels

    SINGAPORE - JUNE 20: Swimmers look out at the haze as they swim in the rooftop pool at Marina Bay Sands on June 20, 2013 in Singapore. The Pollutant Standards Index (PSI) rose to the highest level on record reaching 371 at 1pm. The haze is created by deliberate slash-and-burn forest fires started by companies in neighbouring Sumatra. (Photo by Chris McGrath/Getty Images)

  • SINGAPORE-ENVIRONMENT-HEALTH-HAZE

    A worker looks at cable cars travelling to and from Sentosa Island resort shrouded by haze in Singapore on June 20, 2013. Singapore on June 20 demanded 'definitive' action by Indonesia on forest fires raging in Sumatra as the two neighbours prepared for emergency talks to ease the severe smog enveloping the city-state. AFP PHOTO / Roslan Rahman (Photo credit should read ROSLAN RAHMAN/AFP/Getty Images)

  • Singapore Air Quality Reaches 'Hazardous' Levels

    SINGAPORE - JUNE 20: Tourists visit the Merlion as the city skyline is covered with smoke haze on June 20, 2013 in Singapore. The Pollutant Standards Index (PSI) rose to the highest level on record reaching 371 at 1pm. The haze is created by deliberate slash-and-burn forest fires started by companies in neighbouring Sumatra. (Photo by Chris McGrath/Getty Images)

  • Singapore Air Quality Reaches 'Hazardous' Levels

    SINGAPORE - JUNE 20: The Singapore Flyer is seen covered in thick smoke haze on June 20, 2013 in Singapore. The Pollutant Standards Index (PSI) rose to the highest level on record reaching 371 at 1pm. The haze is created by deliberate slash-and-burn forest fires started by companies in neighbouring Sumatra. (Photo by Chris McGrath/Getty Images)

  • Singapore Air Quality Reaches 'Hazardous' Levels

    SINGAPORE - JUNE 20: Tourists visit the Merlion as the city skyline is covered with smoke haze on June 20, 2013 in Singapore. The Pollutant Standards Index (PSI) rose to the highest level on record reaching 371 at 1pm. The haze is created by deliberate slash-and-burn forest fires started by companies in neighbouring Sumatra. (Photo by Chris McGrath/Getty Images)

  • SINGAPORE-INDONESIA-MALAYSIA-ENVIRONMENT-HAZE

    People wear face masks as haze worsens in Singapore on June 19, 2013. Singapore's Pollutant Standards Index again shot above the 'unhealthy' threshold of 152. AFP PHOTO/Roslan Rahman (Photo credit should read ROSLAN RAHMAN/AFP/Getty Images)

  • Singapore Air Quality Reaches 'Hazardous' Levels

    SINGAPORE - JUNE 20: A main road in the central business district is filled with smoke haze on June 20, 2013 in Singapore. The Pollutant Standards Index (PSI) rose to the highest level on record reaching 371 at 1pm. The haze is created by deliberate slash-and-burn forest fires started by companies in neighbouring Sumatra. (Photo by Chris McGrath/Getty Images)

  • Singapore Air Quality Remains Poor From Indonesian Forest Fire Pollution

    SINGAPORE - JUNE 19: Apartment blocks are seen covered in smoke haze on June 19, 2013 in Singapore. The haze is created by deliberate slash-and-burn forest fires started by companies in neighbouring Sumatra.The Pollutant Standards Index (PSI) rose to 170 at 2pm, the worst since 1997. (Photo by Chris McGrath/Getty Images)

  • SINGAPORE-INDONESIA-MALAYSIA-ENVIRONMENT-HAZE

    A boat sails along the Marina bay in front of buildings blanketed by haze in Singapore on June 19, 2013. Singapore's Pollutant Standards Index again shot above the 'unhealthy' threshold of 152. AFP PHOTO/Roslan Rahman (Photo credit should read ROSLAN RAHMAN/AFP/Getty Images)

  • Singapore Air Quality Remains Poor From Indonesian Forest Fire Pollution

    SINGAPORE - JUNE 19: Buildings in the downtown financial district are seen through thick smoke haze on June 19, 2013 in Singapore. The haze is created by deliberate slash-and-burn forest fires started by companies in neighbouring Sumatra.The Pollutant Standards Index (PSI) rose to 170 at 2pm, the worst since 1997. (Photo by Chris McGrath/Getty Images)

  • SINGAPORE-INDONESIA-MALAYSIA-ENVIRONMENT-HAZE

    A youth rides on a skateboard in front of buildings blanketed by haze in Singapore on June 19, 2013. Singapore's Pollutant Standards Index again shot above the 'unhealthy' threshold of 152. AFP PHOTO/Roslan Rahman (Photo credit should read ROSLAN RAHMAN/AFP/Getty Images)

  • SINGAPORE-INDONESIA-MALAYSIA-ENVIRONMENT-HAZE

    A man covers his face with a mask as haze worsens in Singapore on June 19, 2013. Singapore's Pollutant Standards Index again shot above the 'unhealthy' threshold of 152. AFP PHOTO/Roslan Rahman (Photo credit should read ROSLAN RAHMAN/AFP/Getty Images)

  • SINGAPORE-INDONESIA-MALAYSIA-ENVIRONMENT-HAZE

    A cyclist rides along the pier in front of buildings blanketed by haze in Singapore on June 19, 2013. Singapore's Pollutant Standards Index again shot above the 'unhealthy' threshold of 152. AFP PHOTO/Roslan Rahman (Photo credit should read ROSLAN RAHMAN/AFP/Getty Images)

  • Singapore Air Quality Remains Poor From Indonesian Forest Fire Pollution

    SINGAPORE - JUNE 19: Downtown Singapore is covered in thick smoke haze on June 19, 2013 in Singapore. The Pollutant Standards Index (PSI) rose to the highest level on record registering at 321 at 10pm.The haze is created by deliberate slash-and-burn forest fires started by companies in neighbouring Sumatra. (Photo by Chris McGrath/Getty Images)

  • Singapore Air Quality Remains Poor From Indonesian Forest Fire Pollution

    SINGAPORE - JUNE 19: Downtown Singapore is covered in thick smoke haze on June 19, 2013 in Singapore. The Pollutant Standards Index (PSI) rose to the highest level on record registering at 321 at 10pm.The haze is created by deliberate slash-and-burn forest fires started by companies in neighbouring Sumatra. (Photo by Chris McGrath/Getty Images)

  • Singapore Air Quality Remains Poor From Indonesian Forest Fire Pollution

    SINGAPORE - JUNE 19: Singapore shipping port is barely visible amongst thick smoke haze on June 19, 2013 in Singapore. The haze is created by deliberate slash-and-burn forest fires started by companies in neighbouring Sumatra.The Pollutant Standards Index (PSI) rose to 172 at 3pm, the worst since 1997. (Photo by Chris McGrath/Getty Images)

  • SINGAPORE-INDONESIA-MALAYSIA-ENVIRONMENT-HAZE

    A view of the highway leading out of the central business district as buildings are blanketed with haze in Singapore on June 18, 2013. Smog from forest fires in Indonesia eased from from its unhealthy levels in Singapore on June 18 as the two neighbours blamed each other for the seasonal problem. AFP PHOTO/ROSLAN RAHMAN (Photo credit should read ROSLAN RAHMAN/AFP/Getty Images)

  • Singapore Air Quality Remains Poor From Indonesian Forest Fire Pollution

    SINGAPORE - JUNE 18: Buildings in the Central Business District of Singapore are seen covered in smoke haze on June 18, 2013 in Singapore. The haze is created by deliberate burning off by companies in neighbouring Indonesia and for the second day running pushed the Pollutant Standards Index (PSI) above 130, peaking yesterday evening at 155 the worst in 16 years. (Photo by Chris McGrath/Getty Images)

  • Singapore Air Quality Remains Poor From Indonesian Forest Fire Pollution

    SINGAPORE - JUNE 18: Apartment blocks are seen covered in smoke haze on June 18, 2013 in Singapore. The haze is created by deliberate burning off by companies in neighbouring Indonesia and for the second day running pushed the Pollutant Standards Index (PSI) above 130, peaking yesterday evening at 155 the worst in 16 years. (Photo by Chris McGrath/Getty Images)

  • Singapore Air Quality Remains Poor From Indonesian Forest Fire Pollution

    SINGAPORE - JUNE 18: Tourists gather to take photographs of the haze covered Marina Bay Sands hotel on June 18, 2013 in Singapore. The haze is created by deliberate burning off by companies in neighbouring Indonesia and for the second day running pushed the Pollutant Standards Index (PSI) above 130, peaking yesterday evening at 155 the worst in 16 years. (Photo by Chris McGrath/Getty Images)

  • MALAYSIA-INDONESIA-ENVIROMENT-HAZE

    Haze cover Petronas Twin Towers (L) and KL Tower (R) in Kuala Lumpur on June 16, 2013. Malaysia was shrouded with smoky haze attributed to mainly fires burning on the Indonesian island of Sumatra causing 'unhealthy' levels of pollution in six areas. AFP PHOTO / MOHD RASFAN (Photo credit should read MOHD RASFAN/AFP/Getty Images)

  • MALAYSIA-INDONESIA-ENVIROMENT-HAZE

    Haze cover Petronas Twin Towers (L) and KL Tower (R) in Kuala Lumpur on June 16, 2013. Malaysia was shrouded with smoky haze attributed to mainly fires burning on the Indonesian island of Sumatra causing 'unhealthy' levels of pollution in six areas. AFP PHOTO / MOHD RASFAN (Photo credit should read MOHD RASFAN/AFP/Getty Images)