Worst air pollution Sonora, today and tomorrow
Today (9 August): Air quality in Sonora is fair. O3 is fair; AQI, PM2.5, and PM10 are medium; NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 AM (PM2.5: 41.6/100).
Tomorrow (10 August 2026): Air quality in Sonora is fair. AQI worsens to fair; PM2.5 increases to fair; PM10 increases to fair; all other pollutants stay as today. Pollution peaks around 4:00 AM (PM10: 34.6/100). 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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Dry edwards plateau air is what shapes air quality most in Sonora, and winter cedar season is the main local air-quality event here. Overall, Sonora sees air quality that tracks fairly closely with typical conditions for its wider region. Checking current readings is still the best way to plan outdoor activity around Sonora.
Today - 9 August | Pollution peaks at 00:00
AQI:
Medium
41.6/100
PM2.5 (fine particles):
Medium
41.6/100
PM10 (coarse particles):
Medium
40.1/100
NO2 (nitrogen dioxide):
Good
1.0/100
O3 (ozone):
Fair
23.3/100
SO2 (sulfur dioxide):
Good
10.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
12.1/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 04:00
AQI:
Fair
34.6/100
PM2.5 (fine particles):
Fair
34.3/100
PM10 (coarse particles):
Fair
34.6/100
NO2 (nitrogen dioxide):
Good
1.7/100
O3 (ozone):
Fair
24.8/100
SO2 (sulfur dioxide):
Good
10.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.8/100
PM1 (ultrafine particles):
Good
12.3/100
Pollen forecast in Sonora
View pollen forecastFrequently Asked Questions
Is air quality bad in Sonora right now?
On 9 August 2026, overall air quality in Sonora is fair. O3 is the main pollutant at 23.3/100. Pollution peaks around 12:00 AM (PM2.5: 41.6/100).
Will air quality be worse tomorrow in Sonora?
On 10 August 2026, air quality conditions in Sonora will be similar to today, with AQI forecast at fair at 34.6/100. Pollution peaks around 4:00 AM (PM10: 34.6/100).
When is air pollution at its worst in Sonora?
Air quality across Sonora rises and falls with the seasons. In short, the cleanest air usually comes in the milder shoulder seasons of spring and autumn, whereas long, hot summers bring the highest ozone risk, especially across the major urban corridors. Dust from West Texas can occasionally drift across the state and add to particulate levels.
Are air quality levels in Sonora 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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