Worst air pollution Matehuala, today and tomorrow
Today (9 August): Air quality in Matehuala is very poor. AQI and PM10 are very poor; O3 is fair; PM2.5 is medium; NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 5:00 PM (PM10: 85.7/100).
Tomorrow (10 August 2026): Air quality in Matehuala is very poor. PM2.5 increases to poor; all other pollutants stay as today. Pollution peaks around 7:00 PM (PM10: 87.1/100). 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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Matehuala's air quality reflects the San Luis Potosí Altiplano's flat semi-arid plateau at 1,630 metres, with vehicle traffic on surrounding roads and the silver mining legacy, agricultural, and services corridor contributing local sources. The elevated plateau position aids dispersal on most days, while windblown Chihuahuan Desert dust contributes PM10 during dry wind events and Matehuala generally maintains moderate to good northern Mexican Altiplano plateau readings throughout most of the year.
Today - 9 August | Pollution peaks at 17:00
AQI:
Very poor
85.7/100
PM2.5 (fine particles):
Medium
56.4/100
PM10 (coarse particles):
Very poor
85.7/100
NO2 (nitrogen dioxide):
Good
0.1/100
O3 (ozone):
Fair
24.7/100
SO2 (sulfur dioxide):
Good
2.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
12.3/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 19:00
AQI:
Very poor
87.1/100
PM2.5 (fine particles):
Poor
61.4/100
PM10 (coarse particles):
Very poor
87.1/100
NO2 (nitrogen dioxide):
Good
0.1/100
O3 (ozone):
Fair
26.7/100
SO2 (sulfur dioxide):
Good
6.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.8/100
PM1 (ultrafine particles):
Good
17.7/100
Frequently Asked Questions
Is air quality bad in Matehuala right now?
On 9 August 2026, overall air quality in Matehuala is very poor. AQI is the main air quality indicator at 85.7/100. Pollution peaks around 5:00 PM (PM10: 85.7/100).
Will air quality be worse tomorrow in Matehuala?
On 10 August 2026, air quality conditions in Matehuala will be similar to today, with AQI forecast at very poor at 87.1/100. Pollution peaks around 7:00 PM (PM10: 87.1/100).
When is air pollution at its worst in Matehuala?
Air quality in Matehuala tends to be worse when traffic emissions, mining and quarrying operations, as well as agricultural burning build up and windblown dust events occur. Strong seasonal winds can lift dust from the surrounding dry terrain and push particulate levels sharply higher. Such events are most common in the drier shoulder seasons.
Are air quality levels in Matehuala 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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