All schools in Selangor, Kuala Lumpur, Putrajaya, Negeri Sembilan and Sri Aman, Kuching and Samarahan in Sarawak have been ordered to close tomorrow.

The Education Ministry, in a statement today, said the order was issued after the haze in several states and areas recorded unhealthy and very unhealthy Air Pollution Index (API) readings on Sunday.

The statement said, state and district education departments have been told to immediately inform the affected schools and parents of the closure.

The announcement was made based on the continuous monitoring of the haze situation in the whole country today.

As at 1pm, the API levels in Selangor are as follows: Shah Alam (255), Port Klang (230) and Petaling Jaya (207).

In Kuala Lumpur, the API in Batu Muda is at 241 whereas Cheras has a reading of 181.

In Putrajaya, the API reading is 198.

In Negeri Sembilan, Seremban's API is at 145 and 125 in Port Dickson.

In Sarawak, Sri Aman's API is at 189, Samarahan (146) and Kuching (136).

An API reading of 0 to 50 indicates good air quality; 51 to 100, moderate; 101 to 200, unhealthy; 201 to 300, very unhealthy and 300 and above, hazardous.