Worst air pollution Cheyenne Depot Museum - Cheyenne, today and tomorrow
Today (16 July): Air quality in Cheyenne Depot Museum is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 7:00 PM (NO2: 38.0/100).
Tomorrow (17 July 2026): Air quality in Cheyenne Depot Museum is fair. AQI improves to medium; NO2 decreases to medium; all other pollutants stay as today. Pollution peaks around 9:00 PM (NO2: 42.0/100). 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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Cheyenne Depot Museum sits at a restored railroad depot downtown; air quality here tracks closely with the wider Cheyenne area and the same regional influences that shape it. As with most sublevel sites, the broader city trend is the best guide to typical conditions here.
Today - 16 July | Pollution peaks at 19:00
AQI:
Fair
38.0/100
PM2.5 (fine particles):
Good
17.8/100
PM10 (coarse particles):
Good
18.5/100
NO2 (nitrogen dioxide):
Fair
38.0/100
O3 (ozone):
Fair
36.5/100
SO2 (sulfur dioxide):
Good
4.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.4/100
PM1 (ultrafine particles):
Good
10.8/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 21:00
AQI:
Medium
42.0/100
PM2.5 (fine particles):
Good
13.6/100
PM10 (coarse particles):
Good
6.5/100
NO2 (nitrogen dioxide):
Medium
42.0/100
O3 (ozone):
Fair
38.5/100
SO2 (sulfur dioxide):
Good
4.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.6/100
PM1 (ultrafine particles):
Good
9.2/100
Other Landmarks in Cheyenne
Frequently Asked Questions
Is air quality bad in Cheyenne Depot Museum right now?
On 16 July 2026, overall air quality in Cheyenne Depot Museum is fair. AQI is the main air quality indicator at 38.0/100. Pollution peaks around 7:00 PM (NO2: 38.0/100).
Will air quality be worse tomorrow in Cheyenne Depot Museum?
On 17 July 2026, air quality conditions in Cheyenne Depot Museum will be similar to today, with O3 forecast at fair at 38.5/100. Pollution peaks around 9:00 PM (NO2: 42.0/100).
When is air pollution at its worst in Cheyenne Depot Museum?
Seasonal changes shape air quality at Cheyenne Depot Museum much as they do across Cheyenne. In short, a brief window in autumn tends to bring the year's best air, before winter inversions set in, whereas winter temperature inversions can trap cold air and pollution in valleys and basins for days at a time. Valley and basin locations are especially prone to these winter inversion episodes compared to more exposed, higher terrain.
Are air quality levels in Cheyenne Depot Museum 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