Worst air pollution Talcahuano, today and tomorrow
Today (16 July): Air quality in Talcahuano is good. AQI, PM2.5, PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 8:00 AM (O3: 15.8/100).
Tomorrow (17 July 2026): Air quality in Talcahuano is good. All pollutants stay as today. Pollution peaks around 11:00 PM (O3: 17.6/100). 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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Talcahuano's air quality reflects the Chilean Biobío Region's Talcahuano Bay industrial port position adjacent to Concepción, with vehicle traffic on surrounding roads and the naval shipyard, steel, and fishing port corridor generating elevated industrial and maritime PM2.5. Consistent Pacific westerlies provide maritime ventilation from the west, while the industrial port's extraordinary scale relative to the urban population makes Talcahuano the Concepción metropolitan area's most distinctively heavy industrial port-defined air quality environment throughout the year.
Today - 16 July | Pollution peaks at 08:00
AQI:
Good
15.8/100
PM2.5 (fine particles):
Good
9.9/100
PM10 (coarse particles):
Good
4.6/100
NO2 (nitrogen dioxide):
Good
0.1/100
O3 (ozone):
Good
15.8/100
SO2 (sulfur dioxide):
Good
0.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.2/100
PM1 (ultrafine particles):
Good
2.0/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 23:00
AQI:
Good
17.6/100
PM2.5 (fine particles):
Good
6.3/100
PM10 (coarse particles):
Good
3.0/100
NO2 (nitrogen dioxide):
Good
0.0/100
O3 (ozone):
Good
17.6/100
SO2 (sulfur dioxide):
Good
0.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.1/100
PM1 (ultrafine particles):
Good
0.9/100
Frequently Asked Questions
Is air quality bad in Talcahuano right now?
On 16 July 2026, overall air quality in Talcahuano is good. AQI is the main air quality indicator at 15.8/100. Pollution peaks around 8:00 AM (O3: 15.8/100).
Will air quality be worse tomorrow in Talcahuano?
On 17 July 2026, air quality conditions in Talcahuano will be similar to today, with AQI forecast at good at 17.6/100. Pollution peaks around 11:00 PM (O3: 17.6/100).
When is air pollution at its worst in Talcahuano?
The biggest local contributors to pollution in Talcahuano are road traffic, petrochemical and refining operations, and harbour and shipping traffic, particularly once dry spells bring strong winds. These wind events can carry dust in from the surrounding arid landscape. Sea breezes typically keep conditions in check, except during still weather.
Are air quality levels in Talcahuano 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