Singapore air quality improves as haze levels ease

Air quality in Singapore has improved, with PM2.5 readings returning to the normal range across most regions as of October 23. After more than two weeks of unhealthy air quality, the 24-hour Pollutant Standards Index (PSI) has remained in the good to moderate range for at least 24 hours.

Despite the recent improvement, the National Environment Agency (NEA) has forecast that air quality could temporarily worsen on October 23, with PSI levels potentially ranging between 101 and 150. This is due to expected dry conditions in southern Sumatra and Kalimantan, which may allow smoke haze to be transported toward Singapore under prevailing south-easterly winds.

Forecasted showers over Singapore and the surrounding region are expected to provide relief, with clearer conditions anticipated to return as rain and favorable winds assist in clearing the haze.