KUALA LUMPUR - Five areas in Malaysia recorded unhealthy air quality on Saturday (Sept 26).

As at 3.00pm, Balok Baru in Pahang had the highest Air Pollutants Index (API) reading at 132. Indera Mahkota in the same state recorded a reading of 114.

Air quality was also unhealthy in Kemaman, Terengganu (127), Malacca (127) and Batu Muda (106).

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.

Majority of places monitored recorded moderate API, including Johor, Negeri Sembilan, Sabah, Sarawak, Selangor and Kuala Lumpur.

Ten areas saw air quality improving to "good" on Saturday, including Langkawi (27), Alor Setar (24), Kangar (22) and Tanah Merah (41) .

The public can check the API readings in Malaysia at http://apims.doe.gov.my.