Highest air pollution Rio de Janeiro, today and tomorrow
Today (27 June): Air quality in Rio de Janeiro is good. AQI, PM2.5, PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 PM (O3: 17.8/100).
Tomorrow (28 June 2026): Air quality in Rio de Janeiro is good. All pollutants stay as today. Pollution peaks around 12:00 AM (O3: 17.9/100). 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
Rio de Janeiro's air quality varies dramatically between the open Atlantic beachfronts of Copacabana and Ipanema, where sea breezes provide consistent ventilation, and the enclosed valleys of the Zona Norte, where traffic emissions accumulate between the city's iconic granite hills under calm conditions.
Today - 27 June | Pollution peaks at 23:00
AQI:
Good
17.8/100
PM2.5 (fine particles):
Good
5.0/100
PM10 (coarse particles):
Good
2.3/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Good
17.8/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
0.4/100
PM1 (ultrafine particles):
Good
1.4/100
Levels show the poorest local air quality during the day
Tomorrow - 28 June | Pollution peaks at 00:00
AQI:
Good
17.9/100
PM2.5 (fine particles):
Good
6.4/100
PM10 (coarse particles):
Good
2.8/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Good
17.9/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
0.4/100
PM1 (ultrafine particles):
Good
1.7/100
Pollen forecast in Rio de Janeiro
View pollen forecastFrequently Asked Questions
Is air quality bad in Rio de Janeiro right now?
On 27 June 2026, overall air quality in Rio de Janeiro is good. AQI is the main air quality indicator at 17.8/100. Pollution peaks around 11:00 PM (O3: 17.8/100).
Will air quality be worse tomorrow in Rio de Janeiro?
On 28 June 2026, air quality conditions in Rio de Janeiro will be similar to today, with AQI forecast at good at 17.9/100. Pollution peaks around 12:00 AM (O3: 17.9/100).
Are air quality levels in Rio de Janeiro 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?
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Data provided by Airmine — Last update: 27 June 2026 at 12:36 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