The environment department said drones were also being used to help identify possible sources of air pollution including open burning in the surrounding areas. (Envato Elements pic)PETALING JAYA: The environment department is conducting an investigation into a significant difference in air pollution readings at between two places in Kuala Lumpur.
In Batu Muda, near Batu Caves, air quality has been recorded at the unhealthy level of 150 for the past two days, compared to moderate air pollution reading of about 60 at nearby Cheras.
The environment department said an investigation began on Nov 14, involving inspections of monitoring stations, field patrols and efforts to identify sources of pollution in the surrounding areas, Bernama reported.
