Klang:Klang Valley Four areas in Klang Valley and Negeri Sembilan reported unhealthy Air Pollutant Index (API) readings as of 5 p.m.

According to BERNAMA News Agency, the Air Pollutant Index Management System (APIMS) portal indicated that Johan Setia and Klang in Selangor recorded API readings of 154 and 139, respectively.

In addition, the API was 130 in Nilai, Negeri Sembilan, and 122 in Putrajaya.

Moreover, 57 areas reported a moderate API reading, while seven areas registered a good API reading. An API reading of 0 to 50 signifies good air quality; 51 to 100 is moderate; 101 to 200 is unhealthy; 201 to 300 is very unhealthy, and 300 and above is considered hazardous.