Haze in Singapore: PSI readings reach unhealthy levels
Air quality in Singapore has fluctuated, with central regions experiencing unhealthy PSI levels while other areas remain in the moderate range. Authorities advise the public to monitor hourly PM2.5 readings and limit outdoor activities.
Why it matters
Environmental health monitoring is essential for public safety during haze events, which impact urban living and daily productivity.
Listen SINGAPORE – Air quality in Singapore appears to be improving on Sept 20 as the 24-hour Pollutant Standards Index (PSI) in the island’s eastern and western regions dipped back into the moderate range.
Air quality in central Singapore, however, continues to be in the unhealthy range, recording a PSI value of 107 as at 1pm, down from 120 at 10am.
At 1pm on Sept 20, the PSI readings in the west has dipped to 97, after hitting 106 earlier at 10am.
PSI in the eastern area further dropped to 87 as at 1pm, after it entered the unhealthy range earlier in the day at 3am with a reading of 102.
The PSI in the north (77) and south (80 ) remained in the moderate range.
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