KUALA LUMPUR: The air quality was at an unhealthy level in Port Klang (Selangor), Seri Manjung (Perak) and Sibu (Sarawak) as of 9am Sunday, with the Air Pollutant Index (API) exceeding 100.
The portal of the Department of Environment said the API for Port Klang was 117; Seri Manjung, 102; and Sibu, 149.
The API reading for Shah Alam was 93, at the moderate level, but the air quality was close to the unhealthy level, according to the portal.
The API for other areas in the country were either moderate or good.
An API reading of between zero and 50 indicates good air quality; between 51 and 100, moderate; between 101 and 200, unhealthy; between 201 and 300, very unhealthy and over 301, hazardous. - Bernama