Worst air pollution Uruguaiana, today and tomorrow
Today (16 July): Air quality in Uruguaiana is good. AQI, PM2.5, PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 PM (O3: 13.8/100).
Tomorrow (17 July 2026): Air quality in Uruguaiana is good. All pollutants stay as today. Pollution peaks around 12:00 AM (O3: 13.8/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Uruguaiana's air quality benefits from consistent southerly Pampas winds providing generally good natural ventilation across this major Rio Grande do Sul border crossing city. Vehicle emissions from the international bridge corridor and BR-290 contribute local sources, while the flat Pampa landscape and consistent southerly winds maintain Uruguaiana among Rio Grande do Sul's more moderate urban environments.
Today - 16 July | Pollution peaks at 23:00
AQI:
Good
13.8/100
PM2.5 (fine particles):
Good
11.4/100
PM10 (coarse particles):
Good
5.3/100
NO2 (nitrogen dioxide):
Good
0.4/100
O3 (ozone):
Good
13.8/100
SO2 (sulfur dioxide):
Good
1.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.6/100
PM1 (ultrafine particles):
Good
2.2/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 00:00
AQI:
Good
13.8/100
PM2.5 (fine particles):
Good
11.6/100
PM10 (coarse particles):
Good
5.4/100
NO2 (nitrogen dioxide):
Good
0.4/100
O3 (ozone):
Good
13.8/100
SO2 (sulfur dioxide):
Good
1.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.5/100
PM1 (ultrafine particles):
Good
2.0/100
Pollen forecast in Uruguaiana
View pollen forecastFrequently Asked Questions
Is air quality bad in Uruguaiana right now?
On 16 July 2026, overall air quality in Uruguaiana is good. AQI is the main air quality indicator at 13.8/100. Pollution peaks around 11:00 PM (O3: 13.8/100).
Will air quality be worse tomorrow in Uruguaiana?
On 17 July 2026, air quality conditions in Uruguaiana will be similar to today, with AQI forecast at good at 13.8/100. Pollution peaks around 12:00 AM (O3: 13.8/100).
When is air pollution at its worst in Uruguaiana?
Uruguaiana residents notice reduced air quality mainly when eucalyptus and riparian gallery forest along the Uruguay pollen peaks, and during spells of vehicle emissions from the international bridge corridor and BR-290; for the rest of the year, natural airflow keeps background levels low.
Are air quality levels in Uruguaiana 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