CNA
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6th October 2026
PM2.5 levels elevated in four regions; 24-hour PSI in unhealthy range across most of Singapore
PM2.5 levels rose across Singapore on Tuesday (Oct 6), with 1-hour readings in the elevated band in most regions. As of 11pm, the 1-hour PM2.5 reading was the highest in central Singapore at 81. The readings, which provide a more current indication of air quality, were 76 in the west, 61 in the east, 29 in the south and 59 in the north.