PETALING JAYA: The air quality at central and north peninsula hit unhealthy levels as haze covered the Federal Territories as well as states such as Penang, Perak and Negeri Sembilan on Friday (Sept 29).
The Air Pollutant Index (API) in Kuala Lumpur recorded an average of 154.5, with Cheras being affected the worst at 155 and Batu Muda at 153.
