FOUR areas in the peninsula recorded unhealthy Air Pollutant Index (API) readings, with Cheras logging the highest at 169 as of 9am today.

Based on data from the API Management System operated by the Environment Department, other areas with API of above 100 are Batu Pahat (158) and Larkin in Johor (137) and Bukit Rambai in Malacca (156).

Meanwhile, 60 areas recorded moderate API readings of 51-100, while four other locations logged good readings of below 50.

API readings of 0-50 are categorised as good, 51-100 (moderate), 101-200 (unhealthy), 201-300 (very unhealthy) and 300 and above (hazardous).

The API data are issued hourly, based on readings at 68 air quality monitoring stations across the country. – Bernama, October 10, 2023.