Worst air pollution Reid Park - Tucson, today and tomorrow
Today (15 July): Air quality in Reid Park 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 Reid Park 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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Tucson's Reid Park air quality benefits from the 168-acre park's substantial greenspace and rose garden providing natural filtration in central Tucson, with the park's open geometry and the consistent afternoon desert winds providing reasonable ventilation. Vehicle traffic on Country Club Road contributes modest local sources, while the park's green buffer generally maintains better conditions than the surrounding commercial corridors and Reid Park provides one of Tucson's more pleasant urban park environments throughout most of the year.
Today - 15 July | Pollution peaks at 11:00
AQI:
Fair
27.1/100
PM2.5 (fine particles):
Good
16.2/100
PM10 (coarse particles):
Fair
26.2/100
NO2 (nitrogen dioxide):
Good
0.2/100
O3 (ozone):
Fair
27.1/100
SO2 (sulfur dioxide):
Good
0.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
2.9/100
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
9.7/100
PM10 (coarse particles):
Good
15.5/100
NO2 (nitrogen dioxide):
Good
0.2/100
O3 (ozone):
Fair
27.5/100
SO2 (sulfur dioxide):
Good
0.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
2.3/100
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Frequently Asked Questions
Is air quality bad in Reid Park right now?
On 15 July 2026, overall air quality in Reid Park 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 Reid Park?
On 16 July 2026, air quality conditions in Reid Park 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 Reid Park?
Conditions at Reid Park vary noticeably across the seasons: the cooler winter months typically bring the cleanest air of the year, but spring dust storms and summer ozone together make March through September the toughest stretch. Sudden haboob-style dust storms can appear with little warning during the spring wind season.
Are air quality levels in Reid Park 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