Worst air pollution Chihuahua, today and tomorrow
Today (12 August): Air quality in Chihuahua is poor. AQI and PM10 are poor; O3 is fair; PM2.5 is medium; NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 4:00 PM (PM10: 63.5/100).
Tomorrow (13 August 2026): Air quality in Chihuahua is poor. All pollutants stay as today. Pollution peaks around 1:00 PM (PM10: 63.2/100). 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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Chihuahua's air quality reflects the flat Chihuahuan Desert plain at 1,423 metres, with vehicle traffic on surrounding roads and the maquiladora manufacturing, cattle, and agri-food corridor contributing local sources. Windblown Chihuahuan Desert dust contributes elevated PM10 during dry windy periods, while the elevated semi-arid plateau provides reasonable dispersal on most days and Chihuahua generally maintains moderate to good northern Mexican desert plateau metropolitan readings throughout most of the year.
Today - 12 August | Pollution peaks at 16:00
AQI:
Poor
63.5/100
PM2.5 (fine particles):
Medium
49.8/100
PM10 (coarse particles):
Poor
63.5/100
NO2 (nitrogen dioxide):
Good
1.7/100
O3 (ozone):
Fair
25.7/100
SO2 (sulfur dioxide):
Good
4.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
8.4/100
Levels show the poorest local air quality during the day
Tomorrow - 13 August | Pollution peaks at 13:00
AQI:
Poor
63.2/100
PM2.5 (fine particles):
Medium
50.9/100
PM10 (coarse particles):
Poor
63.2/100
NO2 (nitrogen dioxide):
Good
2.0/100
O3 (ozone):
Fair
35.3/100
SO2 (sulfur dioxide):
Good
6.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.3/100
PM1 (ultrafine particles):
Good
14.2/100
Frequently Asked Questions
Is air quality bad in Chihuahua right now?
On 12 August 2026, overall air quality in Chihuahua is poor. AQI is the main air quality indicator at 63.5/100. Pollution peaks around 4:00 PM (PM10: 63.5/100).
Will air quality be worse tomorrow in Chihuahua?
On 13 August 2026, air quality conditions in Chihuahua will be similar to today, with AQI forecast at poor at 63.2/100. Pollution peaks around 1:00 PM (PM10: 63.2/100).
When is air pollution at its worst in Chihuahua?
Chihuahua usually sees its poorest air quality when traffic emissions and manufacturing activity coincide with periods when dry spells bring strong winds. These wind events can carry dust in from the surrounding arid landscape. These episodes tend to cluster in spring and autumn.
Are air quality levels in Chihuahua 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: 13 August 2026 at 08:46 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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