Singapore, 07 October 2023 – It has been slightly hazy in Singapore today. As at 5pm, the 1-hr PM2.5 concentration readings were 30-94 µg/m3, in Band I – Band II (Normal to Elevated), and the 24-hr PSI was 66-120, in the high-end of the Moderate range to low-end of the Unhealthy range. Update on Hotspot and Haze … Continue reading HAZE IS HERE – S’PORE AIR QUALITY HITS “UNHEALTHY” LEVELS, NEA TO START DAILY UPDATES