Worst air pollution Sam Hughes - Tucson, today and tomorrow
Today (15 July): Air quality in Sam Hughes is fair. PM2.5 and O3 are fair; AQI and PM10 are medium; NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 7:00 AM (PM10: 43.2/100).
Tomorrow (16 July 2026): Air quality in Sam Hughes is fair. AQI worsens to fair; PM2.5 decreases to good; PM10 increases to fair; all other pollutants stay as today. Pollution peaks around 6:00 AM (PM10: 29.2/100). 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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Tucson's Sam Hughes air quality reflects the historic University of Arizona-adjacent residential neighbourhood, with vehicle traffic on Campbell Avenue and the surrounding residential and academic character contributing modest local sources. The neighbourhood's mature tree canopy provides natural filtration, while the Sonoran Desert basin creates periodic temperature inversions and the walkable residential character generally maintains Sam Hughes among Tucson's more pleasant inner residential environments throughout most of the year.
Today - 15 July | Pollution peaks at 07:00
AQI:
Medium
43.2/100
PM2.5 (fine particles):
Fair
31.8/100
PM10 (coarse particles):
Medium
43.2/100
NO2 (nitrogen dioxide):
Good
2.3/100
O3 (ozone):
Fair
27.1/100
SO2 (sulfur dioxide):
Good
8.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
6.0/100
Levels show the poorest local air quality during the day
Tomorrow - 16 July | Pollution peaks at 06:00
AQI:
Fair
29.2/100
PM2.5 (fine particles):
Good
19.9/100
PM10 (coarse particles):
Fair
29.2/100
NO2 (nitrogen dioxide):
Good
3.2/100
O3 (ozone):
Fair
27.5/100
SO2 (sulfur dioxide):
Good
9.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
4.8/100
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Frequently Asked Questions
Is air quality bad in Sam Hughes right now?
On 15 July 2026, overall air quality in Sam Hughes is fair. PM2.5 is the main pollutant at 31.8/100. Pollution peaks around 7:00 AM (PM10: 43.2/100).
Will air quality be worse tomorrow in Sam Hughes?
On 16 July 2026, air quality conditions in Sam Hughes will be similar to today, with AQI forecast at fair at 29.2/100. Pollution peaks around 6:00 AM (PM10: 29.2/100).
When is air pollution at its worst in Sam Hughes?
This neighborhood in Tucson sees air quality shift through the year — winter typically brings a welcome break from both heat-driven ozone and blowing dust, whereas intense summer heat combines with occasional dust events to create the year's worst episodes. Monsoon storms in July and August can either clear the air with rain or stir up dust ahead of the storm front.
Are air quality levels in Sam Hughes 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.
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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