Haze forecast for Tuesday: on the high side of good

The haze outlook for Tuesday is expected to be good, if slightly elevated, and all groups of people including the elderly and pregnant can carry on with their normal activities said the National Environment Agency on Monday.

The 24-hr PSI till 6pm on Tuesday is expected to be in the high end of the "good" band, under 50, while the 24-hr PM2.5 is expected to be slightly elevated.

For the next few days, low-level winds are forecast from the southwest, and thundery showers are expected in the late morning and early afternoon.

At 6pm on Monday, the 24-hr PSI was 33-47 (good) and the 24-hr PM2.5 was 22-34 micrograms per cubic metre.