Highest air pollution Bangkok, today and tomorrow
Today (29 June): Air quality in Bangkok is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 1:00 PM (O3: 23.6/100).
Tomorrow (30 June 2026): Air quality in Bangkok is fair. All pollutants stay as today. Pollution peaks around 12:00 PM (O3: 23.0/100). 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
Bangkok's air quality reflects the flat Chao Phraya delta's enclosed coastal plain, with vehicle traffic on the Expressway network and the surrounding extraordinary vehicle density and manufacturing corridor generating elevated NOₓ and PM2.5. The tropical dry season concentrates emissions under calm anticyclonic conditions from November to April, while the Gulf of Thailand sea breezes provide warm season ventilation and Bangkok's flat basin geometry with limited dispersal maintains consistently elevated readings throughout most of the year.
Today - 29 June | Pollution peaks at 13:00
AQI:
Fair
23.6/100
PM2.5 (fine particles):
Good
3.7/100
PM10 (coarse particles):
Good
1.0/100
NO2 (nitrogen dioxide):
Good
2.8/100
O3 (ozone):
Fair
23.6/100
SO2 (sulfur dioxide):
Good
1.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
10.5/100
PM1 (ultrafine particles):
Good
5.3/100
Levels show the poorest local air quality during the day
Tomorrow - 30 June | Pollution peaks at 12:00
AQI:
Fair
23.0/100
PM2.5 (fine particles):
Good
4.9/100
PM10 (coarse particles):
Good
1.4/100
NO2 (nitrogen dioxide):
Good
3.1/100
O3 (ozone):
Fair
23.0/100
SO2 (sulfur dioxide):
Good
1.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
9.3/100
PM1 (ultrafine particles):
Good
6.7/100
Pollen forecast in Bangkok
View pollen forecastFrequently Asked Questions
Is air quality bad in Bangkok right now?
On 29 June 2026, overall air quality in Bangkok is fair. AQI is the main air quality indicator at 23.6/100. Pollution peaks around 1:00 PM (O3: 23.6/100).
Will air quality be worse tomorrow in Bangkok?
On 30 June 2026, air quality conditions in Bangkok will be similar to today, with AQI forecast at fair at 23.0/100. Pollution peaks around 12:00 PM (O3: 23.0/100).
Are air quality levels in Bangkok 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 18:36 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