An aeroplane (in the distance) preparing to land in hazy conditions as seen in Pasir Ris at 9am on Oct 7, 2023. The 24-hour PSI as of 9am in the east is 107. - ST PHOTO: KEVIN LIM
SINGAPORE: The air quality in Singapore entered the unhealthy range on Saturday morning.
The 24-hour Pollutant Standards Index (PSI) readings ranged between 63 and 112 at noon, with the highest recorded reading in the east.
