MALAYSIA: The air quality in Selangor is gradually worsening at three out of the five monitoring stations in the state. As at 2pm today, the Air Pollutant Index (API) at Port Klang, Petaling Jaya and Shah Alam has risen to 164, 145 and 149 respectively compared to 163, 142 and 146 at noon.
The API in Banting dropped slightly to 171 from 172 but remained the highest in the country while the API in Kuala Selangor also improved by one point to 145 at 2pm from 146 at noon. An API reading between 0 and 50 is good, 51 to 100 is moderate, while 100 to 200 is classified as unhealthy, 200 to 300 as very unhealthy and more than 300 is hazardous.
