MIRI: The Air Pollutant Index (API) has surged to unhealthy levels in six districts in Sarawak on Friday (Sept 6) morning.
Incidents of local burning plus transboundary haze from Kalimantan have been identified as the causes behind the latest haze situation.
State Disaster Relief Management Committee in its latest updates said the API in Sri Aman was recorded at 166, Samarahan (120), Kuching (125), Sarikei (129), Sibu (123) and Miri (133).
There were four wildfire hotspots detected in Betong, Serian, Bintulu and Miri.
These fires are raging in plantations and bushland.
The visibility in Kuching has been reduced to about 1.2km.
An API reading of between 0 and 50 is good while 51 to 100 is moderate, 101 to 200 is unhealthy, 201 to 300 very unhealthy, and 301 and above deemed hazardous.