Worst air pollution El Alto, today and tomorrow
Today (16 July): Air quality in El Alto is fair. AQI and PM2.5 are fair; PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 9:00 AM (PM2.5: 27.8/100).
Tomorrow (17 July 2026): Air quality in El Alto is fair. All pollutants stay as today. Pollution peaks around 1:00 PM (PM2.5: 27.7/100). 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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El Alto's air quality reflects the extreme Bolivian Altiplano plateau adjacent to La Paz at 4,150 metres — one of the world's highest major cities — with vehicle traffic on surrounding roads and the vehicle density, informal industrial, and extraordinary altitude corridor creating unique high-altitude PM2.5 challenges. The extreme altitude paradoxically aids wind dispersal but worsens ozone formation, while the cold Altiplano winds and thin air create distinctive air quality dynamics and El Alto maintains among the world's most extraordinarily altitude-defined major urban environments.
Today - 16 July | Pollution peaks at 09:00
AQI:
Fair
27.8/100
PM2.5 (fine particles):
Fair
27.8/100
PM10 (coarse particles):
Good
13.1/100
NO2 (nitrogen dioxide):
Good
0.2/100
O3 (ozone):
Good
18.5/100
SO2 (sulfur dioxide):
Good
2.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.5/100
PM1 (ultrafine particles):
Good
3.7/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 13:00
AQI:
Fair
27.7/100
PM2.5 (fine particles):
Fair
27.7/100
PM10 (coarse particles):
Good
12.7/100
NO2 (nitrogen dioxide):
Good
0.1/100
O3 (ozone):
Good
18.8/100
SO2 (sulfur dioxide):
Good
3.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.4/100
PM1 (ultrafine particles):
Good
9.8/100
Frequently Asked Questions
Is air quality bad in El Alto right now?
On 16 July 2026, overall air quality in El Alto is fair. AQI is the main air quality indicator at 27.8/100. Pollution peaks around 9:00 AM (PM2.5: 27.8/100).
Will air quality be worse tomorrow in El Alto?
On 17 July 2026, air quality conditions in El Alto will be similar to today, with AQI forecast at fair at 27.7/100. Pollution peaks around 1:00 PM (PM2.5: 27.7/100).
When is air pollution at its worst in El Alto?
El Alto usually sees its poorest air quality when vehicle traffic coincides with periods when dry spells bring strong winds. Strong seasonal winds can lift dust from the surrounding dry terrain and push particulate levels sharply higher. Photochemical reactions in the heat push ozone levels higher.
Are air quality levels in El Alto 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