Worst air pollution Chattogram, today and tomorrow
Today (16 July): Air quality in Chattogram is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 PM (O3: 27.5/100).
Tomorrow (17 July 2026): Air quality in Chattogram is fair. NO2 decreases to good; all other pollutants stay as today. Pollution peaks around 1:00 PM (O3: 25.0/100). 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
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Chattogram's air quality reflects the flat Bangladesh Karnaphuli River delta coastal position on the Bay of Bengal, with vehicle traffic on surrounding roads and the port, ship breaking — Chittagong being the world's largest ship breaking industry — industrial, and vehicle density corridor generating elevated heavy metal PM2.5. The Bay of Bengal monsoon provides wet season cleansing, while the dry season concentrates ship breaking and industrial emissions and Chittagong maintains among South Asia's most distinctively maritime industrial coastal environments.
Today - 16 July | Pollution peaks at 12:00
AQI:
Fair
27.5/100
PM2.5 (fine particles):
Good
18.5/100
PM10 (coarse particles):
Good
7.9/100
NO2 (nitrogen dioxide):
Fair
24.5/100
O3 (ozone):
Fair
27.5/100
SO2 (sulfur dioxide):
Good
10.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
8.3/100
PM1 (ultrafine particles):
Good
15.4/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 13:00
AQI:
Fair
25.0/100
PM2.5 (fine particles):
Good
10.4/100
PM10 (coarse particles):
Good
3.9/100
NO2 (nitrogen dioxide):
Good
18.7/100
O3 (ozone):
Fair
25.0/100
SO2 (sulfur dioxide):
Good
8.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.6/100
PM1 (ultrafine particles):
Good
9.4/100
Frequently Asked Questions
Is air quality bad in Chattogram right now?
On 16 July 2026, overall air quality in Chattogram is fair. AQI is the main air quality indicator at 27.5/100. Pollution peaks around 12:00 PM (O3: 27.5/100).
Will air quality be worse tomorrow in Chattogram?
On 17 July 2026, air quality conditions in Chattogram will be similar to today, with AQI forecast at fair at 25.0/100. Pollution peaks around 1:00 PM (O3: 25.0/100).
When is air pollution at its worst in Chattogram?
Chattogram usually sees its poorest air quality when traffic emissions coincides with periods when dry spells bring strong winds. These wind events can carry dust in from the surrounding arid landscape. Rains during the wetter months typically wash pollutants out of the air.
Are air quality levels in Chattogram 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: 16 July 2026 at 10:33 CEST (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