Haze update Oct 16: Hourly PM2.5 in high-band across Singapore, very unhealthy PSI in 3 regions

Air quality across Singapore worsened through Friday (Oct 17) morning, with hourly PM2.5 in the high-band across the Republic at 1pm.Southern readings deteriorated the most, surging from 133 to 194µg/m3 at 12pm — the highest concentration reading in the country on Friday, for now. It later dropped to 160µg/m3 at 1pm. From Keppel Viaduct, AsiaOne photojournalist Jasper Lim looked out towards PSA Tanjong Pagar Terminal and Brani Terminal. This was the view at 11.33am. PHOTO: AsiaOne/Jasper Lim Elsewhere, hourly PM2.5 concentration readings are also in the high-band. The next highest readings were in central (169µg/m3) and eastern (162µg/m3) Singapore.