Worst air pollution Red Rocks Amphitheatre - Denver, today and tomorrow
Today (9 August): Air quality in Red Rocks Amphitheatre is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 10:00 AM (O3: 35.7/100).
Tomorrow (10 August 2026): Air quality in Red Rocks Amphitheatre is fair. All pollutants stay as today. Pollution peaks around 6:00 AM (O3: 34.8/100). 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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Denver's Red Rocks Amphitheatre air quality benefits from its exceptional elevated Colorado Front Range position at 1,971 metres in the natural sandstone formation, with consistent Rocky Mountain westerly winds providing reliable ventilation through the extraordinary geological outdoor venue. Vehicle traffic on the access roads contributes event-day local sources, while the elevated mesa position and the surrounding Morrison formation's dramatic topography generally maintain Red Rocks among Colorado's most naturally ventilated major outdoor entertainment venues throughout most of the year.
Today - 9 August | Pollution peaks at 10:00
AQI:
Fair
35.7/100
PM2.5 (fine particles):
Good
14.4/100
PM10 (coarse particles):
Good
5.4/100
NO2 (nitrogen dioxide):
Good
18.3/100
O3 (ozone):
Fair
35.7/100
SO2 (sulfur dioxide):
Good
4.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.3/100
PM1 (ultrafine particles):
Good
10.8/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 06:00
AQI:
Fair
34.8/100
PM2.5 (fine particles):
Good
12.0/100
PM10 (coarse particles):
Good
4.7/100
NO2 (nitrogen dioxide):
Good
12.4/100
O3 (ozone):
Fair
34.8/100
SO2 (sulfur dioxide):
Good
3.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.3/100
PM1 (ultrafine particles):
Good
9.5/100
Other Landmarks in Denver
Sports venues in Denver
Frequently Asked Questions
Is air quality bad in Red Rocks Amphitheatre right now?
On 9 August 2026, overall air quality in Red Rocks Amphitheatre is fair. AQI is the main air quality indicator at 35.7/100. Pollution peaks around 10:00 AM (O3: 35.7/100).
Will air quality be worse tomorrow in Red Rocks Amphitheatre?
On 10 August 2026, air quality conditions in Red Rocks Amphitheatre will be similar to today, with AQI forecast at fair at 34.8/100. Pollution peaks around 6:00 AM (O3: 34.8/100).
When is air pollution at its worst in Red Rocks Amphitheatre?
This landmark in Denver sees air quality shift through the year — the shoulder seasons of spring and fall typically offer the most stable, cleanest conditions, whereas wildfire smoke drifting in from across the region is the main summer concern, while winter inversions can trap pollution locally. Higher-elevation, more exposed locations generally avoid the worst of the valley inversion episodes.
Are air quality levels in Red Rocks Amphitheatre 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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