Worst air pollution Ciudad Guzmán, today and tomorrow
Today (10 August): Air quality in Ciudad Guzmán is poor. AQI and PM10 are poor; PM2.5 is medium; NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 3:00 PM (PM10: 73.0/100).
Tomorrow (11 August 2026): Air quality in Ciudad Guzmán is very poor. AQI worsens to very poor; PM10 increases to very poor; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 5:00 AM (PM10: 92.6/100). 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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Ciudad Guzmán's air quality reflects the Jalisco Colima Valley's enclosed basin at 1,520 metres at the base of the Nevado de Colima, with vehicle traffic on surrounding roads and the agricultural, services, and government corridor contributing local sources. The surrounding Sierra Madre Occidental and the Colima volcanic complex create significant topographic enclosure, while winter inversions in the enclosed highland valley and the proximity to the active Volcán de Colima's occasional SO₂ emissions maintain moderate to elevated Mexican western highland valley readings throughout most of the year.
Today - 10 August | Pollution peaks at 15:00
AQI:
Poor
73.0/100
PM2.5 (fine particles):
Medium
54.2/100
PM10 (coarse particles):
Poor
73.0/100
NO2 (nitrogen dioxide):
Good
0.6/100
O3 (ozone):
Good
18.3/100
SO2 (sulfur dioxide):
Good
2.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.1/100
PM1 (ultrafine particles):
Good
12.8/100
Levels show the poorest local air quality during the day
Tomorrow - 11 August | Pollution peaks at 05:00
AQI:
Very poor
92.6/100
PM2.5 (fine particles):
Medium
58.1/100
PM10 (coarse particles):
Very poor
92.6/100
NO2 (nitrogen dioxide):
Good
0.5/100
O3 (ozone):
Fair
24.5/100
SO2 (sulfur dioxide):
Good
3.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.3/100
PM1 (ultrafine particles):
Good
14.1/100
Frequently Asked Questions
Is air quality bad in Ciudad Guzmán right now?
On 10 August 2026, overall air quality in Ciudad Guzmán is poor. AQI is the main air quality indicator at 73.0/100. Pollution peaks around 3:00 PM (PM10: 73.0/100).
Will air quality be worse tomorrow in Ciudad Guzmán?
On 11 August 2026, air quality conditions in Ciudad Guzmán will be worse than today, with AQI forecast at very poor at 92.6/100. Pollution peaks around 5:00 AM (PM10: 92.6/100).
When is air pollution at its worst in Ciudad Guzmán?
The biggest local contributors to pollution in Ciudad Guzmán are vehicle traffic along with farming and agricultural processing, particularly once temperature inversions set in over the valley. The surrounding valley terrain holds pollutants near the surface rather than letting them disperse. The effect is strongest during the colder months, when inversions set in most often.
Are air quality levels in Ciudad Guzmán 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: 10 August 2026 at 08:45 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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