@mothershipsg: The 24-hour PSI hit 106 in the west and 120 in the central region of Singapore as of 10:30am on Sep. 20. The PSI is at 99 in the east, slightly hovering at the unhealthy range. Smoke plumes from fires in Kalimantan and southern Sumatra were observed drifting towards Singapore, the National Environment Agency (NEA) said on Sep. 19. The 24-hr PSI for Singapore is expected to be in the High Moderate to mid-Unhealthy range. Photo by Lee Chin Yee from CloudSpotting & SkySpotting Singapore/Facebook #mothershipenvironment #news #fyp

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Sunday 20 September 2026 03:04:24 GMT