Singaporeans have been warned to stay indoors where possible
Singapore and Indonesia are to hold an emergency meeting on Thursday after haze in Singapore soared to hazardous levels.
Singapore's environment minister said his team would "insist on definitive action" from neighbouring Indonesia.
Late on Wednesday, Singapore's pollution standards index (PSI) hit 321, breaking all previous records and prompting government health warnings.
The haze is caused by illegal forest fires in Indonesia's Sumatra island.
Singapore's buildings have been obscured by the polluted air and the smell of burnt wood has permeated the city-state.
Prime Minister Lee Hsieng Loong has asked Singaporeans to "stay indoors where possible and avoid heavy outdoor activities". The military has also reportedly suspended all outdoor training.
The poor air quality has prompted widespread buying of disposable face masks, leading shops to run out of stock.
A PSI reading above 200 indicates "very unhealthy" air, while a PSI score above 300 is "hazardous".
Source: BBC News - Business http://www.bbc.co.uk/news/world-asia-22982018#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa
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