The government has ordered schools in Kuala Lumpur, Selangor Putrajaya, Malacca and Negri Sembilan to be closed today.
The instruction from Education Minister Mahadzir Khalid was tweeted by his deputy P Kamalanathan on Twitter last night.
MAKLUMAT TERKINI; YBDS @MahdzirKhalid sebentar tadi telah mengarahkan semua sekolah2 d NegeriSelangor, WP & Putrajaya, NS & Melaka d tutup.
— P Kamalanathan (@PKamalanathan) September 14, 2015
This comes as the haze choking the country becomes steadily worse.
Air Polutant Index (API) readings as of 11 last night showed air quality in Kuala Selangor to have reached a dangerous levels of 207 while readings for the rest of Selangor hover around the 170 range.
The reading in Negri Sembilan was 200 for Nilai; Malacca at 193; Kuala Lumpur at 192 and Putrajaya at 182.
The Meteorological Services Department said yesterday it was prepared to carry out cloud-seeding operations today to deal with the haze.
It had previously forecast that the smog would be blown away starting Sept 20, when monsoon winds blow across Malaysia towards Indonesia.