
The index is calculated over a 24-hour period and does not represent real-time air quality.
The department’s API management system website stated the highest reading of 156 was reported in Nilai, Negeri Sembilan, as of 9am this morning. This was followed by Johan Setia, Selangor (155), Port Dickson, NS (153) and Banting, Selangor (151), Bernama reported.
The website also showed that the API reading in Putrajaya was almost at the unhealthy level, at 99.
Another 57 locations showed moderate API readings, including Temerloh, Pahang (98), Petaling Jaya, Selangor (88), Bukit Rambai, Melaka (85), and Tasek Ipoh, Perak (79).
An API reading of zero to 50 indicates good air quality, 51-100 moderate, 101-200 unhealthy, 201-300 very unhealthy and an API above 300 is hazardous.