A total of 23 areas in Peninsular Malaysia recorded moderate air quality as of 9 am, according to the Department of Environment (DOE) portal.

They include Port Klang and Petaling Jaya (79); Bakar Arang (Sungai Petani), Nilai, Seberang Jaya 2 (Perai) and Banting (75); Shah Alam (74); Batu Muda (Kuala Lumpur)(73); and Kuala Selangor (70).

The others were Alor Setar (61), Perai (67); Cheras (64); Seremban, Universiti Sains Malaysia (Penang), SK Jalan Pegoh (Ipoh)(62); Bukit Rambai and Putrajaya (63).

Other areas nationwide recorded good Air Pollutant Index (API) reading.

An API reading of between zero and 50 indicates good air quality; between 51 and 100, moderate; between 101 and 200, unhealthy; between 201 and 300, very unhealthy and over 301, hazardous.

Members of the public can refer to the DOE portal at http://www.doe.gov.my to find out the current API reading.