PETALING JAYA: Fifteen areas nationwide recorded unhealthy air pollutant index (API) readings as of 11am, with Nilai in Negeri Sembilan recording the highest reading of 163.
According to the environment department's Air Pollutant Index Management System portal, Melaka’s Bukit Rambai recorded the second-highest reading of 157, followed by Seremban at 155.
Selangor recorded the highest number of areas with unhealthy API readings at five, followed by Negeri Sembilan with three.
Melaka, Johor and Kuala Lumpur recorded two areas each, while Putrajaya recorded one.
In Selangor, Petaling Jaya, Klang and Johan Setia recorded readings of 154 each, followed by Shah Alam (152) and Banting (131).
Batu Muda in Kuala Lumpur recorded an API reading of 153 while Cheras recorded 123. Putrajaya registered a reading of 140.
In Johor, Tangkak recorded a reading of 153, followed by Pasir Gudang at 111.
Port Dickson in Negeri Sembilan recorded a reading of 149 while Melaka city registered 134.
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.