Worst air pollution Salto, today and tomorrow
Today (16 July): Air quality in Salto is good. AQI, PM2.5, PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 10:00 PM (O3: 15.9/100).
Tomorrow (17 July 2026): Air quality in Salto is good. All pollutants stay as today. Pollution peaks around 11:00 PM (O3: 16.7/100). 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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Salto's air quality benefits from its position on the Uruguay River border between Uruguay and Argentina, with consistent Pampas winds from the southwest providing generally good natural ventilation across this northwestern Uruguayan thermal resort city. Vehicle traffic on the Ruta 3 and the Salto Grande hydroelectric complex's infrastructure activity are the primary local sources, while the flat Pampas terrain and the Uruguay River corridor generally maintain moderate to good conditions, making Salto among Uruguay's cleaner medium-sized urban environments.
Today - 16 July | Pollution peaks at 22:00
AQI:
Good
15.9/100
PM2.5 (fine particles):
Good
9.0/100
PM10 (coarse particles):
Good
4.1/100
NO2 (nitrogen dioxide):
Good
0.0/100
O3 (ozone):
Good
15.9/100
SO2 (sulfur dioxide):
Good
0.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.4/100
PM1 (ultrafine particles):
Good
1.5/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 23:00
AQI:
Good
16.7/100
PM2.5 (fine particles):
Good
12.1/100
PM10 (coarse particles):
Good
5.4/100
NO2 (nitrogen dioxide):
Good
0.0/100
O3 (ozone):
Good
16.7/100
SO2 (sulfur dioxide):
Good
0.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.4/100
PM1 (ultrafine particles):
Good
2.3/100
Pollen forecast in Salto
View pollen forecastFrequently Asked Questions
Is air quality bad in Salto right now?
On 16 July 2026, overall air quality in Salto is good. AQI is the main air quality indicator at 15.9/100. Pollution peaks around 10:00 PM (O3: 15.9/100).
Will air quality be worse tomorrow in Salto?
On 17 July 2026, air quality conditions in Salto will be similar to today, with AQI forecast at good at 16.7/100. Pollution peaks around 11:00 PM (O3: 16.7/100).
When is air pollution at its worst in Salto?
People in Salto tend to notice reduced air quality when native Amazon forest remnants and secondary vegetation pollen peaks, or because of vehicle traffic on the Ruta 3 and the Salto Grande hydroelectric complex's infrastructure activity; outside those spells, this remains one of the more consistently clean-air places to be.
Are air quality levels in Salto 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