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Singapore air quality shows modest improvement as haze persists across island

Air pollution levels have eased slightly across Singapore, though most regions remain in the unhealthy range. Only the northern zone has returned to moderate air quality levels.

LSN Singapore · 29 September 2026

Singapore air quality shows modest improvement as haze persists across island

Singapore's air quality showed signs of improvement on Wednesday, though atmospheric conditions remained problematic for most of the island, according to air quality monitoring data.

The northern region has returned to the moderate range on the Pollutant Standards Index (PSI), marking the only area to achieve healthier readings. However, the central, eastern, western and southern zones continued to register in the unhealthy bracket, indicating sustained pollution concerns across the broader urban landscape.

The persistent haze reflects the complex interplay of regional atmospheric conditions and transboundary pollution patterns that regularly affect Singapore's air quality. While the modest improvement suggests shifting meteorological trends, authorities and residents have been advised to remain cautious about outdoor activities in affected areas.

Healthcare officials continue to recommend that vulnerable populations, including children, the elderly, and those with respiratory conditions, limit prolonged outdoor exposure. The National Environment Agency is maintaining its air quality monitoring and issuing updated readings to help residents make informed decisions about their daily activities.