The air quality in Singapore is expected to improve on Sunday (Aug 28), the National Environment Agency (NEA) said on Saturday after hazy conditions were seen in the city-state since Friday.
NEA said the haze situation continued to improve throughout Saturday as less dense haze from central Sumatra was blown into Singapore by prevailing winds.
It added that a further improvement in air quality can be expected on Sunday as prevailing winds are forecast to shift, to blow from the southwest or south overnight. Showers are also forecast in the late morning and early afternoon on Sunday, NEA said.
It also provided an update on the number of hotspots detected in Indonesia. NEA said two hotspots were picked up on Saturday due to cloud cover and a partial satellite pass - which occurs when the satellite field of view covers part of a region of interest as the satellite orbits the earth. A total of 11 hotspots were detected on Friday. Prevailing haze over central Sumatra was observed to continue spreading east across the Malacca Strait, NEA added.
Earlier on Saturday, NEA said hazy conditions were expected to persist throughout the day, despite some improvement in air quality.
The improvement in the haze situation on Saturday morning was due to a slight shift in the direction of prevailing winds overnight from westerly to west-southwesterly, the agency said.
As of 6pm, the 24-hour PSI reading was 70-126, in the Moderate to Unhealthy range, and the 1-hour PM2.5 level was 21-46 µg/m3, in Band I (Normal).
Overall, the PSI reading for the next 24 hours is forecast to be in the Moderate range, NEA said. The 1-hour PM2.5 concentration over the next 24 hours is expected to drop from Band II (Elevated) to Band I (Normal).
The health impact of haze is dependent on one’s health status, the PSI level, and the length and intensity of outdoor activity, NEA said, adding that reducing outdoor activities and physical exertion can help limit the ill effects from haze exposure.
"Given the air quality forecast for the next 24 hours, everyone can continue with normal activities. Persons who are not feeling well, especially the elderly and children, and those with chronic heart or lung conditions, should seek medical attention,” NEA said.
By: Channel News Asia.
Photo: Straits Times.
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