PSI

Haze in S’pore: PSI readings across Singapore back in moderate range

Hazy conditions seen at Chinatown on Sept 20 at 4.30 pm.

Haze in Singapore: PSI in central region back in the unhealthy range

Hazy conditions seen from Orchard on Sept 18 at 5.10 pm.

Haze in S’pore: Air quality improving, with central region now in moderate range

Mild hazy conditions seen over the city skyline from Buona Vista at 10am on Sept 18.

Air quality in central region enters unhealthy range again with 24-hour PSI readings of 102-103

Hazy conditions as seen from Chancery Lane at 10.30am on Sept 17.

Singapore cannot control the wind. But it can alter the economics of haze

Hazy conditions seen from Tanjong Pagar Distripark towards Sentosa. When in becomes chairman of ASEAN in 2027, Singapore should encourage investments in projects that make it lucrative to prevent fires, the writer says.

Haze in S’pore: Air quality improving with all regions now in moderate range

Hazy conditions seen from Tanjong Pagar Distripark towards Sentosa at 2:52pm on Sept 15.

Haze in S’pore: Air quality in all regions except central back in moderate range

Hazy conditions seen from Tanjong Pagar Distripark towards Bukit Purmei and Mount Faber at 3:02pm on Sept 15. The 24H PSI for Southern Singapore at 3pm was 95.

The haze is back in Singapore. How does it compare with previous years?

Air quality across Singapore to be between high moderate and low unhealthy range in next 24 hours

The 24-hour Pollutant Standards Index for the central region dipped to 87 at 6pm on Sept 6. Air quality is considered unhealthy when the PSI is in the range of 101 to 200.

PSI hits 104 in eastern Singapore; 2 areas now with ‘unhealthy’ air quality

Hazy conditions seen from Toa Payoh Lorong 1 at 9am on Sept 4.

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MDDI (P) 046/10/2025. Published by SPH Media Limited, Co. Regn. No.202120748H. Copyright © 2026 SPH Media Limited. All rights reserved.