PETALING JAYA: Twenty-seven areas across the country had unhealthy air quality at 8am today, with air pollutant index (API) readings in the Klang Valley on the rise.
Johor remained the worst-hit state, with Pasir Gudang topping the API list at 177, followed by Kota Tinggi (166), Larkin (164), Pengerang (162), Batu Pahat (154), Kluang (152) and Tangkak (151).
In the Klang Valley, API readings stood at 173 in Klang and Johan Setia, followed by Cheras (168), Putrajaya (165), Batu Muda (164), Banting (160), Shah Alam (159) and Petaling Jaya (154).
Negeri Sembilan recorded unhealthy air quality in Nilai (174), Port Dickson (165) and Seremban (160), while Melaka reported similar readings in Bukit Rambai (169), Melaka city (164) and Alor Gajah (156).
In the east coast, Pahang continued to record unhealthy API readings in Indera Mahkota (155) and Rompin (153), while Terengganu reported hazy conditions in Kemaman (156) and Paka (155).
Sarawak reported similar air quality in Serian (153) and Sri Aman (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.