PETALING JAYA: The “very unhealthy” air quality level in Pasir Gudang, Johor, yesterday eased slightly this morning.
The air pollutant index (API) of 202 reported at 4pm yesterday came down slightly to 195 at 9am today.
The air quality at Larkin, Johor, which also recorded 202 yesterday, was 176 today.
Other places in Johor also had unhealthy readings, including Pengerang (173), Kota Tinggi (172), Batu Pahat (170), Tangkak (168), Segamat (161) and Kluang (160).
They were among 24 areas in the country that recorded unhealthy API readings this morning, down from 27 yesterday afternoon.
In Negeri Sembilan, Nilai (173) and Seremban (174) also had unhealthy air levels.
In Selangor, unhealthy conditions were reported in Klang (170), Johan Setia (170), Petaling Jaya (169), Shah Alam (170) and Banting (153).
Cheras and Putrajaya recorded readings of 162.
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.