Worst air pollution Talca, today and tomorrow
Today (16 July): 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: 13.8/100).
Tomorrow (17 July 2026): Air quality in Talca is good. All pollutants stay as today. Pollution peaks around 5:00 PM (O3: 17.2/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
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 - 16 July | Pollution peaks at 23:00
AQI:
Good
13.8/100
PM2.5 (fine particles):
Good
9.4/100
PM10 (coarse particles):
Good
4.4/100
NO2 (nitrogen dioxide):
Good
0.2/100
O3 (ozone):
Good
13.8/100
SO2 (sulfur dioxide):
Good
0.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.3/100
PM1 (ultrafine particles):
Good
1.8/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 17:00
AQI:
Good
17.2/100
PM2.5 (fine particles):
Good
8.3/100
PM10 (coarse particles):
Good
4.0/100
NO2 (nitrogen dioxide):
Good
0.2/100
O3 (ozone):
Good
17.2/100
SO2 (sulfur dioxide):
Good
0.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.3/100
PM1 (ultrafine particles):
Good
1.2/100
Frequently Asked Questions
Is air quality bad in Talca right now?
On 16 July 2026, overall air quality in Talca is good. AQI is the main air quality indicator at 13.8/100. Pollution peaks around 11:00 PM (O3: 13.8/100).
Will air quality be worse tomorrow in Talca?
On 17 July 2026, air quality conditions in Talca will be similar to today, with AQI forecast at good at 17.2/100. Pollution peaks around 5:00 PM (O3: 17.2/100).
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.
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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