Betong, Lubok Antu air quality improves; Samarahan, Serian, Kuching still unhealthy
Air quality in Betong and Lubok Antu improved by 4pm on Sept 14, with Betong dropping to Moderate and Lubok Antu easing from Very Unhealthy to Unhealthy. However, Samarahan, Serian and Kuching recorded worsening or persistently unhealthy API readings, while most other Sarawak stations saw slight declines.