Worst air pollution Sabino Canyon - Tucson, today and tomorrow

Today (15 July): Air quality in Sabino Canyon is fair. AQI, PM10, and O3 are fair; PM2.5, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 AM (O3: 27.1/100).
Tomorrow (16 July 2026): Air quality in Sabino Canyon is fair. PM10 decreases to good; all other pollutants stay as today. Pollution peaks around 9:00 AM (O3: 27.5/100). 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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Sabino Canyon, a rocky desert canyon with a perennial creek and riparian cottonwoods in the Santa Catalina foothills, generally reflects Tucson's citywide air quality pattern, shaped by the same regional factors that affect the rest of the area. As with most sublevel sites, the broader city trend is the best guide to typical conditions here.

Today - 15 July | Pollution peaks at 11:00

AQI:

Fair

27.1/100

PM2.5 (fine particles):

Good

15.0/100

PM10 (coarse particles):

Fair

24.5/100

NO2 (nitrogen dioxide):

Good

0/100

O3 (ozone):

Fair

27.1/100

SO2 (sulfur dioxide):

Good

0/100

CO (carbon monoxide):

Good

0/100

HCHO (formaldehyde):

Good

0.9/100

PM1 (ultrafine particles):

Good

2.7/100

Levels show the poorest local air quality during the day

Tomorrow - 16 July | Pollution peaks at 09:00

AQI:

Fair

27.5/100

PM2.5 (fine particles):

Good

8.9/100

PM10 (coarse particles):

Good

14.3/100

NO2 (nitrogen dioxide):

Good

0/100

O3 (ozone):

Fair

27.5/100

SO2 (sulfur dioxide):

Good

0/100

CO (carbon monoxide):

Good

0/100

HCHO (formaldehyde):

Good

0.9/100

PM1 (ultrafine particles):

Good

2.1/100

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Frequently Asked Questions

Is air quality bad in Sabino Canyon right now?

On 15 July 2026, overall air quality in Sabino Canyon is fair. AQI is the main air quality indicator at 27.1/100. Pollution peaks around 11:00 AM (O3: 27.1/100).

Will air quality be worse tomorrow in Sabino Canyon?

On 16 July 2026, air quality conditions in Sabino Canyon will be similar to today, with AQI forecast at fair at 27.5/100. Pollution peaks around 9:00 AM (O3: 27.5/100).

When is air pollution at its worst in Sabino Canyon?

Sabino Canyon follows Tucson's typical seasonal air quality pattern — the cooler winter months typically bring the cleanest air of the year, whereas spring winds can kick up sudden dust storms that spike particulate levels sharply for a day or two. Sudden haboob-style dust storms can appear with little warning during the spring wind season.

Are air quality levels in Sabino Canyon 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.

Want to see air quality forecasts for other cities in United States?

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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