Hanoi Air Quality February 2024. The us aqi is a standard measurement system used widely to determine the level of. Fine particulate matter (pm 2.5) in hanoi was over 11 times above safe levels defined by who on friday morning, according to air quality monitoring site iqair.
Air quality is considered satisfactory, and air pollution poses little or no risk: Localized air quality index and forecast for ha noi, hanoi, vietnam.