Batu Muda, Johan Setia top list of areas with unhealthy air quality

A total of 30 areas nationwide recorded unhealthy air pollutant index (API) readings as of 9am, with Batu Muda in Kuala Lumpur and Johan Setia in Selangor recording the highest readings of 172 each.

Petaling Jaya and Shah Alam in Selangor recorded an API reading of 167 each, followed by Klang (164) and Banting (160).

Cheras in Kuala Lumpur recorded an API reading of 165 while Putrajaya registered 162.

In Johor, seven areas had unhealthy API readings, led by Larkin (157). This was followed by Pasir Gudang (156), Kota Tinggi (153), Kluang (152), Pengerang (151), Batu Pahat (143) and Tangkak (142).

In Negeri Sembilan, Nilai had the highest API reading of 166, followed by Seremban (160) and Port Dickson (151), while in Melaka, Bukit Rambai registered the highest reading (163), followed by Alor Gajah (155) and Melaka city (153).

In Pahang, Rompin recorded the highest API reading of 152, followed by Balok Baru in Kuantan (151), Jerantut (136), Indera Mahkota (115) and Temerloh (104).

In Perak, Tasik Ipoh and Pegoh Ipoh recorded API readings of 155 and 151, respectively, while in Terengganu, Paka registered 156 and Kemaman 101.

Thirty-one areas recorded moderate API readings while seven had good readings.

API readings of between zero and 50 are categorised as good, 51 to 100 as moderate, 101 to 200 as unhealthy, 201 to 300 as very unhealthy, and 301 and above as hazardous.