Singapore haze index predicted to drop to 51-100 range
Thanks to a shift in wind direction.
According to a government release, the improvement in the air quality is due to a change in the direction of the low level winds over Singapore, from southwesterly to southerly, and prevailing wind conditions are expected to persist for the next few days.
The 24-hr PSI for 24 hrs starting yesterday (23 Jun, 6pm – 24 June, 6pm) is expected to be in the Moderate band (51-100).