Worst air pollution Red Rocks Amphitheatre - Denver, today and tomorrow
Today (16 July): Air quality in Red Rocks Amphitheatre is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 PM (O3: 37.2/100).
Tomorrow (17 July 2026): Air quality in Red Rocks Amphitheatre is fair. PM2.5 increases to fair; all other pollutants stay as today. Pollution peaks around 11:00 AM (O3: 39.1/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
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 - 16 July | Pollution peaks at 12:00
AQI:
Fair
37.2/100
PM2.5 (fine particles):
Good
19.0/100
PM10 (coarse particles):
Good
14.6/100
NO2 (nitrogen dioxide):
Fair
35.6/100
O3 (ozone):
Fair
37.2/100
SO2 (sulfur dioxide):
Good
6.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.1/100
PM1 (ultrafine particles):
Good
12.7/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 11:00
AQI:
Fair
39.1/100
PM2.5 (fine particles):
Fair
21.0/100
PM10 (coarse particles):
Good
13.0/100
NO2 (nitrogen dioxide):
Fair
32.2/100
O3 (ozone):
Fair
39.1/100
SO2 (sulfur dioxide):
Good
5.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.8/100
PM1 (ultrafine particles):
Good
14.0/100
Other Landmarks in Denver
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Frequently Asked Questions
Is air quality bad in Red Rocks Amphitheatre right now?
On 16 July 2026, overall air quality in Red Rocks Amphitheatre is fair. AQI is the main air quality indicator at 37.2/100. Pollution peaks around 12:00 PM (O3: 37.2/100).
Will air quality be worse tomorrow in Red Rocks Amphitheatre?
On 17 July 2026, air quality conditions in Red Rocks Amphitheatre will be similar to today, with AQI forecast at fair at 39.1/100. Pollution peaks around 11:00 AM (O3: 39.1/100).
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.
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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