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Singapore's air quality maintains upward trend with improved readings

Air quality across Singapore continues its positive trajectory, with PM2.5 levels remaining within normal parameters and 24-hour Pollutant Standards Index measurements holding steady in the good to moderate range.

LSN Singapore · 27 October 2026

Singapore's air quality maintains upward trend with improved readings

Singapore's air quality has sustained improvement, with particulate matter readings showing no signs of deterioration across monitoring stations throughout the island-state.

Fine particulate matter, measured as PM2.5, remains within acceptable levels, indicating that harmful microscopic particles suspended in the atmosphere have not posed significant health concerns in recent assessments. Meanwhile, the 24-hour Pollutant Standards Index, which tracks a broader range of air pollutants including nitrogen dioxide, sulphur dioxide, ozone, carbon monoxide, and coarse particles, has maintained its standing in the good to moderate band.

The sustained improvement reflects ongoing regional and local efforts to manage air quality. Singapore's position in Southeast Asia exposes it to transboundary pollution during certain seasonal periods, making consistent positive readings a noteworthy development.

Residents are advised to continue monitoring official air quality updates, particularly during dry seasons when regional haze becomes more prevalent. The National Environment Agency regularly publishes real-time air quality data to keep the public informed of conditions across different regions of the island.