Haze in Singapore: PSI crosses 101 in central region as air quality enters unhealthy range
At 8am on Sept 4, the 24-hour PSI in the central part of Singapore was 103.
The National Environment Agency (NEA) in Singapore reported that the 24-hour Pollutant Standards Index (PSI) in central Singapore exceeded 100 on September 4, signaling unhealthy air quality. This range of 101 to 200 means the public should limit outdoor activities. The PSI had been climbing since early morning, starting at 70 to 90 (moderate) at 1 am and reaching 99 by 6 am.
The Meteorological Service Singapore had warned of potential haze conditions in the next two weeks due to dry weather and ongoing forest fires in Indonesia, exacerbated by a strong El Nino effect. Singapore's haze situation varies depending on wind direction, and Malaysia has already faced severe consequences, with several states recording unhealthy air quality.
Singapore's authorities are ramping up awareness campaigns and advising vulnerable groups to take precautions. The NEA uses the 24-hour PSI and one-hour PM2.5 readings to guide the public's decisions on outdoor activities.
Written by urgent.news from Straits Times's reporting — not their text. Machine-written — may contain errors; check the original before relying on it.
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