Four major towns in Sabah recorded a moderate air pollutant index (API) reading as of 9 am today.
The Environment Department stated in its website that the API reading for Tawau was 59, while Kota Kinabalu, 56, Keningau, 53 and Sandakan, 51.
Duty-free island Labuan recorded an API reading of 75.
An API reading of between zero and 50 indicates good air quality; between 51 and 100, moderate; between 101 and 200, unhealthy; between 201 and 300, very unhealthy and over 301, hazardous.
