Haze at unhealthy levels in several areas

Not so clear day: Haze obscures the view of the Penang Bridge. At the time when this photo was taken, Penang’s API measured at about 100. — Bernama

PETALING JAYA: Kuala Lumpur, Selangor, Putrajaya, Negri Sembilan and several northern states experienced haze yesterday as their Air Pollutant Index (API) recorded unhealthy levels.

The API in Kuala Lumpur recorded an average of 154.5, with Cheras being affected the worst at 155 and Batu Muda at 153.