Worst air pollution Talca, today and tomorrow
Today (9 August): Air quality in Talca is good. AQI, PM2.5, PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 PM (O3: 18.1/100).
Tomorrow (10 August 2026): Air quality in Talca is good. All pollutants stay as today. Pollution peaks around 8:00 AM (O3: 18.3/100). 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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Talca's air quality reflects the Chilean Maule Region Claro River valley's partial topographic enclosure at 102 metres in the Central Valley, with vehicle traffic on surrounding roads and the wine, food processing, and services corridor contributing local sources. The enclosed Central Valley's winter inversions compound vehicle and residential heating emissions, while the Pacific westerlies provide seasonal relief and Talca generally maintains moderate to elevated Chilean central valley provincial city readings during the winter months.
Today - 9 August | Pollution peaks at 23:00
AQI:
Good
18.1/100
PM2.5 (fine particles):
Good
7.3/100
PM10 (coarse particles):
Good
3.4/100
NO2 (nitrogen dioxide):
Good
0.1/100
O3 (ozone):
Good
18.1/100
SO2 (sulfur dioxide):
Good
0.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.2/100
PM1 (ultrafine particles):
Good
0.9/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 08:00
AQI:
Good
18.3/100
PM2.5 (fine particles):
Good
15.4/100
PM10 (coarse particles):
Good
7.0/100
NO2 (nitrogen dioxide):
Good
0.1/100
O3 (ozone):
Good
18.3/100
SO2 (sulfur dioxide):
Good
0.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.3/100
PM1 (ultrafine particles):
Good
1.9/100
Frequently Asked Questions
Is air quality bad in Talca right now?
On 9 August 2026, overall air quality in Talca is good. AQI is the main air quality indicator at 18.1/100. Pollution peaks around 11:00 PM (O3: 18.1/100).
Will air quality be worse tomorrow in Talca?
On 10 August 2026, air quality conditions in Talca will be similar to today, with AQI forecast at good at 18.3/100. Pollution peaks around 8:00 AM (O3: 18.3/100).
When is air pollution at its worst in Talca?
Air quality in Talca tends to be worse when traffic emissions and manufacturing activity build up and calm, stagnant conditions settle in the surrounding valley. The surrounding valley terrain holds pollutants near the surface rather than letting them disperse. Fuel burned for winter heating adds an extra layer of particulates on top of other sources.
Are air quality levels in Talca 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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