Air quality in parts of Singapore in unhealthy range
Air quality in Singapore has reached unhealthy levels due to transboundary haze caused by hotspots in Sumatra and Kalimantan. The National Environment Agency warns that the situation is likely to remain escalated in the southern ASEAN region.
Why it matters
Transboundary haze is a recurring environmental and public health crisis in Southeast Asia that impacts millions of people and regional economic activity.
The 1-hour PM2.5 reading in the west jumped into the "high" range at 4pm and dipped back into the elevated range an hour later.
Haze conditions around the Upper Cross Street area overlooking the Esplanade and Singapore Flyer on Oct 7, 2026. (Photo: CNA/Raydza Rahman)
SINGAPORE: Air quality across all five regions of Singapore remained in the unhealthy range at 6pm on Wednesday (Oct 7), while the 1-hour PM2.5 reading in the west fell back into the elevated range an hour earlier.
At 4pm, the 1-hour PM2.5 reading in the west jumped to 152, entering the "high" band for the first time this haze season, up from 146 at 3pm.
Readings in the other regions are currently in the elevated band.
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