Worst air pollution Ciudad del Este, today and tomorrow
Today (9 August): Air quality in Ciudad del Este is fair. AQI and PM2.5 are fair; PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 3:00 PM (PM2.5: 22.7/100).
Tomorrow (10 August 2026): Air quality in Ciudad del Este is fair. All pollutants stay as today. Pollution peaks around 11:00 PM (PM2.5: 22.9/100). Airmine updates local air quality forecasts four times daily.
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Ciudad del Este's air quality reflects its position in the Paraná River valley at the Paraguay-Brazil-Argentina triple frontier, with the enormous commercial and smuggling trade generating extraordinary vehicle traffic on the Avenida San Blas and the Friendship Bridge corridor. The Itaipú dam reservoir to the north provides some humidity and limited ventilation, while the flat Alto Paraná terrain generally allows reasonable dispersal of the concentrated commercial district emissions.
Today - 9 August | Pollution peaks at 15:00
AQI:
Fair
22.7/100
PM2.5 (fine particles):
Fair
22.7/100
PM10 (coarse particles):
Good
10.6/100
NO2 (nitrogen dioxide):
Good
0.2/100
O3 (ozone):
Good
18.8/100
SO2 (sulfur dioxide):
Good
0.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.4/100
PM1 (ultrafine particles):
Good
2.4/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 23:00
AQI:
Fair
22.9/100
PM2.5 (fine particles):
Fair
22.9/100
PM10 (coarse particles):
Good
10.6/100
NO2 (nitrogen dioxide):
Good
0.2/100
O3 (ozone):
Good
19.0/100
SO2 (sulfur dioxide):
Good
0.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.3/100
PM1 (ultrafine particles):
Good
2.6/100
Pollen forecast in Ciudad del Este
View pollen forecastFrequently Asked Questions
Is air quality bad in Ciudad del Este right now?
On 9 August 2026, overall air quality in Ciudad del Este is fair. AQI is the main air quality indicator at 22.7/100. Pollution peaks around 3:00 PM (PM2.5: 22.7/100).
Will air quality be worse tomorrow in Ciudad del Este?
On 10 August 2026, air quality conditions in Ciudad del Este will be similar to today, with AQI forecast at fair at 22.9/100. Pollution peaks around 11:00 PM (PM2.5: 22.9/100).
When is air pollution at its worst in Ciudad del Este?
Reduced air quality in Ciudad del Este is most likely when remnants and eucalyptus pollen peaks, alongside periods of the enormous commercial and smuggling trade; things typically settle down again once the weather pattern shifts.
Are air quality levels in Ciudad del Este 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.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
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Data provided by Airmine — Last update: 10 August 2026 at 02:34 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.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
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