2026년 9월 30일
Hanoi, Vietnam
Air quality in Hanoi is forecast to reach US AQI 203 (Very Unhealthy), peaking around 18:00 local time. Everyone should avoid outdoor exertion; keep children and older people indoors. At that hour the model has PM2.5 45.3 ug/m3 and PM10 46 ug/m3. The US AQI is the worst sub-index across all measured pollutants, so it can be driven by ozone rather than particulates. This is a CAMS model forecast published by Open-Meteo, not a reading from a ground monitoring station, so a station near you may report a different number.
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