Worst air pollution Quilicura, today and tomorrow
Today (9 August): Air quality in Quilicura is good. AQI, PM2.5, PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 PM (O3: 18.3/100).
Tomorrow (10 August 2026): Air quality in Quilicura is fair. AQI worsens to fair; PM2.5 increases to fair; all other pollutants stay as today. Pollution peaks around 8:00 PM (PM2.5: 20.0/100). 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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Quilicura's air quality reflects the Santiago metropolitan area's northwestern industrial and residential corridor at 490 metres in the Central Valley, with vehicle traffic on surrounding roads and the manufacturing, logistics, and dense urban character contributing local sources under the Santiago basin's persistent temperature inversions. The enclosed Central Valley's near-complete topographic trapping compounds emissions extensively, while Quilicura shares the broader Santiago metropolitan air quality challenges throughout most of the year.
Today - 9 August | Pollution peaks at 23:00
AQI:
Good
18.3/100
PM2.5 (fine particles):
Good
13.9/100
PM10 (coarse particles):
Good
6.4/100
NO2 (nitrogen dioxide):
Good
0.2/100
O3 (ozone):
Good
18.3/100
SO2 (sulfur dioxide):
Good
0.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.2/100
PM1 (ultrafine particles):
Good
1.6/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 20:00
AQI:
Fair
20.0/100
PM2.5 (fine particles):
Fair
20.0/100
PM10 (coarse particles):
Good
9.1/100
NO2 (nitrogen dioxide):
Good
0.3/100
O3 (ozone):
Good
18.4/100
SO2 (sulfur dioxide):
Good
0.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.3/100
PM1 (ultrafine particles):
Good
2.4/100
Frequently Asked Questions
Is air quality bad in Quilicura right now?
On 9 August 2026, overall air quality in Quilicura is good. AQI is the main air quality indicator at 18.3/100. Pollution peaks around 11:00 PM (O3: 18.3/100).
Will air quality be worse tomorrow in Quilicura?
On 10 August 2026, air quality conditions in Quilicura will be worse than today, with AQI forecast at fair at 20.0/100. Pollution peaks around 8:00 PM (PM2.5: 20.0/100).
When is air pollution at its worst in Quilicura?
The biggest local contributors to pollution in Quilicura are vehicle traffic and manufacturing activity, particularly once the surrounding valley traps air close to the ground. Topographic enclosure in the valley lets pollution accumulate rather than clear out. Dust carried on these winds adds substantially to particulate levels.
Are air quality levels in Quilicura 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: 9 August 2026 at 20:27 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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