Hanoi Unhealthy for Sensitive Groups
Hanoi, Hanoi
Updated: May 11, 2026, 11:00 PM
Members of sensitive groups may experience health effects. The general public is less likely to be affected.
Current Weather
Pollutant Breakdown
Dominant pollutant: PM25
PM2.5 Forecast (next 7 days)
Health Guidance
Data from: UNIS - United Nations International School Of Hanoi, World Air Quality Index Project
Is the air safe in Hanoi today?
The current Air Quality Index (AQI) in Hanoi is 109, which is classified as "Unhealthy for Sensitive Groups". Members of sensitive groups may experience health effects. The general public is less likely to be affected.
The AQI scale runs from 0 to 500. Values of 0–50 are Good, 51–100 are Moderate, 101–150 are Unhealthy for Sensitive Groups, 151–200 are Unhealthy, 201–300 are Very Unhealthy, and 301–500 are Hazardous.
Air quality in Hanoi, Hanoi is monitored by local environmental agencies and reported through the World Air Quality Index project. Data is updated hourly and includes PM2.5, PM10, ozone, nitrogen dioxide, sulfur dioxide, and carbon monoxide.