It hazy again. Photo taken by Calvin at Bintulu Hospital around 10am today.

It hazy again. Photo taken by Calvin at Bintulu Hospital around 10am today.

The haze is making a comeback after several weeks of clear sky. Bintulu recorded moderate Air Pollutant Index (API) reading of 91 at 11am according to Department of Environment.

The air quality have worsened in Sarikei (111), Sibu(117) and Sri Aman(111) on Tuesday after registering unhealthy API readings compared with moderate ratings Monday.

A reading of 0-50 indicates good air quality, 51-100 (moderate), 101-200 (unhealthy), 201-300 (very unhealthy), 300 and above (hazardous).