@mothershipsg: The 1-hour PM2.5 readings for the north, central, west, east and south of Singapore were 59, 56, 67, 48 and 51 respectively as of 12pm on Oct. 21. Air quality in Singapore improved slightly on Oct. 21 compared with the previous day, although the overall 24-hr PSI forecast remains in the unhealthy range. #mothershipnews #fyp #sg

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Wednesday 21 October 2026 04:33:52 GMT