GEORGE TOWN - Penangites woke up to a hazy morning with the horizontal visibility level decreased sharply in Bayan Lepas, Penang.
The Malaysian Meteorological Department monitoring station in Bayan Lepas showed the visibility level decreasing from 7km at 8am to 4km at 11am.
The monitoring station in Butterworth also showed a decrease in horizontal visibility level from 6km (8am) to 5km (11am).
The Department of Environment online portal showed that the Air Pollutant Index (API) readings at its monitoring station in Seberang Jaya 2 recorded a constant increase from 49 (6am) to 50 (7am) followed by 51 (8am) and 53 at 11am.
The monitoring stations in Universiti Sains Malaysia recorded an API of 47 at 11am, while in the reading was Perai 35 (11am).