Highest air pollution Belém, today and tomorrow
Today (28 June): Air quality in Belém is fair. AQI and PM2.5 are fair; PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 10:00 AM (PM2.5: 25.2/100).
Tomorrow (29 June 2026): Air quality in Belém is fair. All pollutants stay as today. Pollution peaks around 11:00 PM (PM2.5: 27.9/100). 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
Belém's air quality is shaped by its position at the mouth of the Amazon, with consistent Atlantic trade winds generally providing good background ventilation across this equatorial city. The primary seasonal concern is wildfire smoke from Amazon deforestation burning that can severely elevate PM2.5 across the entire northern Brazilian region during the dry season.
Today - 28 June | Pollution peaks at 10:00
AQI:
Fair
25.2/100
PM2.5 (fine particles):
Fair
25.2/100
PM10 (coarse particles):
Good
10.6/100
NO2 (nitrogen dioxide):
Good
0.5/100
O3 (ozone):
Good
18.5/100
SO2 (sulfur dioxide):
Good
3.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.7/100
PM1 (ultrafine particles):
Good
13.6/100
Levels show the poorest local air quality during the day
Tomorrow - 29 June | Pollution peaks at 23:00
AQI:
Fair
27.9/100
PM2.5 (fine particles):
Fair
27.9/100
PM10 (coarse particles):
Good
13.0/100
NO2 (nitrogen dioxide):
Good
0.4/100
O3 (ozone):
Good
16.7/100
SO2 (sulfur dioxide):
Good
2.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.6/100
PM1 (ultrafine particles):
Good
6.5/100
Pollen forecast in Belém
View pollen forecastFrequently Asked Questions
Is air quality bad in Belém right now?
On 28 June 2026, overall air quality in Belém is fair. AQI is the main air quality indicator at 25.2/100. Pollution peaks around 10:00 AM (PM2.5: 25.2/100).
Will air quality be worse tomorrow in Belém?
On 29 June 2026, air quality conditions in Belém will be similar to today, with AQI forecast at fair at 27.9/100. Pollution peaks around 11:00 PM (PM2.5: 27.9/100).
Are air quality levels in Belém 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.
Want to see air quality forecasts for other cities in Brazil?
Check air quality in other popular cities:
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