Haze update for Sept 7: Air quality to be in moderate to low unhealthy range

Singapore's National Environment Agency (NEA) expects the Republic's 24-hour Pollutant Standard Index (PSI) to be in the moderate to low unhealthy range.Air quality in Singapore remained in the moderate range for a second consecutive day on Monday (Sept 7), continuing an improved trend recorded since 9pm on Saturday.At 10am on Monday, the central region recorded a 24-hour PSI reading of 92, with 1-hour PM2.5 at 27 — in the normal range.NEA noted in its daily update on Monday that moderate to dense smoke plumes from fires in southern and central Sumatra, as well as West Kalimantan, are continuing to drift towards Singapore.