Singapore haze: PSI in ‘unhealthy’ range across the island; PM2.5 in ‘high’ band in most regions
Singapore is experiencing its longest stretch of poor air quality since 2015, with PSI levels remaining in the 'unhealthy' range. Authorities are monitoring PM2.5 concentrations as the haze persists across the island.
Why it matters
Prolonged exposure to hazardous air quality poses significant public health risks and impacts daily life and economic activity in the region.
Listen SINGAPORE – The hazy conditions continued into the afternoon of Oct 17 even as the 24-hour PSI in central Singapore dipped back to the “unhealthy” band after staying in the “very unhealthy” range the day before.
At 2pm , the 24-hour PSI was in the “unhealthy” range in all regions: central (184), north (135), south (154), east (173), west (185).
Meanwhile, the hourly PM2.5 readings entered the “high” range in the west at 158 at 11am, and was later joined by the central and southern regions at noon, and the east at 2pm.
At 2pm , the hourly PM2.5 readings were 243 in the west, 179 in central,162 in the south and 159 in the east. The figure stayed in the “elevated” range in the north (91) .
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