Kuching recorded 317 and Samarahan 330. Serian was the highest at 476, while Tebedu (385), Lubok Antu (367), Lundu (349) and Sri Aman (326) made up the other four hazardous readings.

The same NREB table placed Sarikei at 267, Sibu at 219 and Mukah at 214 — all in the very unhealthy range. An API reading of 301 or above is classified as hazardous, while 201–300 is very unhealthy.

These readings can change during the day. Residents should check the latest official update before making outdoor plans. Children, older adults and people with heart or lung conditions should avoid strenuous outdoor activity, and anyone with serious breathing difficulty or chest pain should seek medical attention.