Haze: API readings reached very unhealthy levels as of 9am Sunday

PETALING JAYA: The air quality here and in areas like Port Klang, Shah Alam and Batu Muda has gone from bad to worse as the Air Pollutant Index (API) readings reached very unhealthy levels. 

As of 9am Sunday, the API readings for Port Klang was 248, Shah Alam (268), Petaling Jaya (210) and Batu Muda (237), according to the Department of Environment's website.