Highest air pollution Hanoi, today and tomorrow
Today (29 June): Air quality in Hanoi is very poor. AQI and O3 are very poor; PM2.5, NO2, SO2, and PM1 are medium; PM10, CO, and HCHO are good. Pollution peaks around 2:00 PM (O3: 86.2/100).
Tomorrow (30 June 2026): Air quality in Hanoi is fair. AQI improves to medium; PM2.5 increases to fair; O3 decreases to medium; PM1 increases to fair; all other pollutants stay as today. Pollution peaks around 12:00 PM (O3: 59.8/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Hanoi's air quality reflects the Red River delta's flat basin position, with vehicle traffic on the surrounding ring roads and the extraordinary motorbike density and surrounding northern Vietnamese industrial corridor generating elevated PM2.5 and NOₓ. The northeast monsoon's dry winter season concentrates emissions from October to March, while the summer southwest monsoon provides wet season cleansing and Hanoi's combination of industrial, vehicle, and biomass burning sources maintains consistently elevated readings throughout the year.
Today - 29 June | Pollution peaks at 14:00
AQI:
Very poor
86.2/100
PM2.5 (fine particles):
Medium
40.1/100
PM10 (coarse particles):
Good
11.5/100
NO2 (nitrogen dioxide):
Medium
46.1/100
O3 (ozone):
Very poor
86.2/100
SO2 (sulfur dioxide):
Medium
42.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
18.1/100
PM1 (ultrafine particles):
Medium
42.7/100
Levels show the poorest local air quality during the day
Tomorrow - 30 June | Pollution peaks at 12:00
AQI:
Medium
59.8/100
PM2.5 (fine particles):
Fair
31.4/100
PM10 (coarse particles):
Good
9.0/100
NO2 (nitrogen dioxide):
Medium
49.3/100
O3 (ozone):
Medium
59.8/100
SO2 (sulfur dioxide):
Medium
42.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
16.3/100
PM1 (ultrafine particles):
Fair
38.3/100
Pollen forecast in Hanoi
View pollen forecastFrequently Asked Questions
Is air quality bad in Hanoi right now?
On 29 June 2026, overall air quality in Hanoi is very poor. AQI is the main air quality indicator at 86.2/100. Pollution peaks around 2:00 PM (O3: 86.2/100).
Will air quality be worse tomorrow in Hanoi?
On 30 June 2026, air quality conditions in Hanoi will be better than today, with PM1 forecast at fair at 38.3/100. Pollution peaks around 12:00 PM (O3: 59.8/100).
Are air quality levels in Hanoi based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
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Data provided by Airmine — Last update: 28 June 2026 at 18:37 CET (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team