PETALING JAYA: The haze cleared up in the Klang Valley today with the region enjoying moderate air quality as of 11am, although parts of Sarawak are experiencing worsening conditions.
Twelve areas reported unhealthy air pollutant index (API) readings, with the highest recorded in Serian (194), Sarawak. Other parts of the state with similar readings were Kuching (188), Samarahan (182) and Sri Aman (159).
Johor continued to report unhealthy air quality in Batu Pahat (156), Pasir Gudang (156), Kluang (154), Larkin (151) and Kota Tinggi (102).
The haze also persisted in Nilai (151) and Seremban (151) in Negeri Sembilan as well as Paka (154) in Terengganu.
In the Klang Valley, the highest API reading was reported in Batu Muda at 93, followed by Johan Setia (85). Other areas in the region recorded APIs of under 80.
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.