Johor leads unhealthy air quality readings, followed by Selangor

KUALA LUMPUR: Johor and Selangor remain the states worst affected by haze, with 24 air quality monitoring stations nationwide recording unhealthy levels as of 8.30am today.

Data from the Department of Environment's Air Pollutant Index Management System showed eight stations in Johor and five in Selangor recorded unhealthy Air Pollutant Index (API) readings.

Pasir Gudang recorded the highest API reading in Johor at 198, followed by Larkin (178), Pengerang (175), Kota Tinggi (173), Batu Pahat (170), Tangkak (167), Segamat (160), and Kluang (159).

In Selangor, Johan Setia logged the highest reading at 172, followed by Klang (171), Petaling Jaya (169), Shah Alam (168), and Banting (152).

In the Federal Territories, Putrajaya recorded an unhealthy reading of 162, while Cheras and Batu Muda in Kuala Lumpur registered 161 and 158, respectively.

In Negri Sembilan, Nilai posted a reading of 174, followed by Seremban (171) and Port Dickson (158).

Melaka saw unhealthy air quality in three areas: Bandaraya Melaka (169), Bukit Rambai (166), and Alor Gajah (165).

In Sabah, Sandakan and Tawau registered unhealthy levels at 155 and 151, respectively.

Meanwhile, 43 stations nationwide recorded moderate air quality.

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