Worst air pollution Reid Park - Tucson, today and tomorrow
Today (9 August): 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 6:00 PM (PM10: 23.2/100).
Tomorrow (10 August 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: 20.2/100). Airmine updates local air quality forecasts four times daily.
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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 - 9 August | Pollution peaks at 18:00
AQI:
Fair
23.2/100
PM2.5 (fine particles):
Good
17.7/100
PM10 (coarse particles):
Fair
23.2/100
NO2 (nitrogen dioxide):
Good
0.2/100
O3 (ozone):
Fair
22.7/100
SO2 (sulfur dioxide):
Good
0.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
4.7/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 09:00
AQI:
Fair
20.2/100
PM2.5 (fine particles):
Good
13.8/100
PM10 (coarse particles):
Good
15.3/100
NO2 (nitrogen dioxide):
Good
0.4/100
O3 (ozone):
Fair
20.2/100
SO2 (sulfur dioxide):
Good
0.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.1/100
PM1 (ultrafine particles):
Good
4.8/100
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Frequently Asked Questions
Is air quality bad in Reid Park right now?
On 9 August 2026, overall air quality in Reid Park is fair. AQI is the main air quality indicator at 23.2/100. Pollution peaks around 6:00 PM (PM10: 23.2/100).
Will air quality be worse tomorrow in Reid Park?
On 10 August 2026, air quality conditions in Reid Park will be similar to today, with AQI forecast at fair at 20.2/100. Pollution peaks around 9:00 AM (O3: 20.2/100).
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.
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: 10 August 2026 at 02:34 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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