Worst air pollution Mariano Roque Alonso, today and tomorrow
Today (16 July): Air quality in Mariano Roque Alonso is good. AQI, PM2.5, PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 6:00 AM (O3: 15.7/100).
Tomorrow (17 July 2026): Air quality in Mariano Roque Alonso is good. All pollutants stay as today. Pollution peaks around 11:00 PM (O3: 15.5/100). 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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Mariano Roque Alonso's air quality reflects the greater Asunción metropolitan northern ring, with vehicle traffic on the Ruta 9 and the surrounding mixed industrial and residential character contributing elevated NOₓ. The flat Paraguayan terrain provides reasonable dispersal, while dry season burning from surrounding agricultural land contributes seasonal PM2.5 variation and the growing metropolitan expansion drives increasing vehicle emissions throughout the year.
Today - 16 July | Pollution peaks at 06:00
AQI:
Good
15.7/100
PM2.5 (fine particles):
Good
5.4/100
PM10 (coarse particles):
Good
2.5/100
NO2 (nitrogen dioxide):
Good
0.0/100
O3 (ozone):
Good
15.7/100
SO2 (sulfur dioxide):
Good
0.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.4/100
PM1 (ultrafine particles):
Good
0.8/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 23:00
AQI:
Good
15.5/100
PM2.5 (fine particles):
Good
4.6/100
PM10 (coarse particles):
Good
2.1/100
NO2 (nitrogen dioxide):
Good
0.0/100
O3 (ozone):
Good
15.5/100
SO2 (sulfur dioxide):
Good
0.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.5/100
PM1 (ultrafine particles):
Good
0.7/100
Pollen forecast in Mariano Roque Alonso
View pollen forecastFrequently Asked Questions
Is air quality bad in Mariano Roque Alonso right now?
On 16 July 2026, overall air quality in Mariano Roque Alonso is good. AQI is the main air quality indicator at 15.7/100. Pollution peaks around 6:00 AM (O3: 15.7/100).
Will air quality be worse tomorrow in Mariano Roque Alonso?
On 17 July 2026, air quality conditions in Mariano Roque Alonso will be similar to today, with AQI forecast at good at 15.5/100. Pollution peaks around 11:00 PM (O3: 15.5/100).
When is air pollution at its worst in Mariano Roque Alonso?
Residents in Mariano Roque Alonso are likeliest to notice reduced air quality when native forest remnants and introduced urban trees native forest remnants pollen peaks, or due to vehicle traffic on the Ruta 9 and the neighbouring mixed industrial and residential character; the clearest air tends to follow a change in wind direction or rainfall here.
Are air quality levels in Mariano Roque Alonso 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