Singapore haze: PM2.5 reading high in central region; air quality remains very unhealthy in west
Singapore is experiencing a severe haze event with PM2.5 readings reaching high levels and the 24-hour PSI hitting a record high for the year. The pollution is attributed to smoke drifting from fires in Kalimantan and Sumatra, with unhealthy conditions expected to persist.
Why it matters
Transboundary haze is a recurring environmental and public health crisis in Southeast Asia that requires regional cooperation to mitigate.
Air quality in the west was in the very unhealthy band from 9pm on Wednesday to 3pm on Thursday.
The haze seen in central Bishan on the afternoon of Oct 15, 2026. (Photo: CNA/Marcus Mark Ramos)
SINGAPORE: Hourly PM2.5 readings were in the high range in central, western, and eastern Singapore at 8pm on Thursday (Oct 15), a day after readings spiked around the country .
The 1-hour PM2.5 reading for the southern region dropped into the elevated range. The north's reading was also in the elevated band.
At 8pm, the 24-hour PSI remained in the unhealthy band across the country, ranging from 123 to 186.
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