World · Singapore Bureau
Singapore's Central Region Remains in Unhealthy Haze Zone
Air quality in Singapore's central region continued to show unhealthy Pollutant Standards Index readings on September 20, while eastern and western zones retreated to moderate levels after briefly spiking into the unhealthy range.
LSN Singapore ·
The Pollutant Standards Index in Singapore's central region remained in the unhealthy category as of September 20, indicating continued poor air quality affecting the densely populated area.
Eastern and western regions experienced a temporary deterioration earlier in the day, with PSI readings briefly entering the unhealthy range before improving back to moderate levels. The fluctuations reflected shifting haze conditions across the island.
The varied air quality readings underscored the patchy nature of the transboundary haze affecting Singapore. Residents in the central region were advised to remain cautious regarding outdoor activities and air quality precautions.
The PSI scale categorizes air quality in bands ranging from good to hazardous, with unhealthy readings typically triggering health advisories, particularly for vulnerable groups including children, the elderly, and those with respiratory conditions.