Worst air pollution Arches National Park - Moab, today and tomorrow
Today (9 August): Air quality in Arches National Park is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 10:00 AM (O3: 32.4/100).
Tomorrow (10 August 2026): Air quality in Arches National Park is fair. NO2 decreases to good; all other pollutants stay as today. Pollution peaks around 7:00 AM (O3: 36.0/100). 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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Arches National Park's air quality benefits from the Utah Colorado Plateau position near Moab, with consistent canyon desert winds providing reliable ventilation through the iconic sandstone arch landscape. The remote wilderness setting generally maintains good conditions, while windblown red desert dust contributes elevated PM10 during dry windy periods and summer wildfire smoke from surrounding Utah and Colorado forests is an increasingly frequent seasonal concern throughout the year.
Today - 9 August | Pollution peaks at 10:00
AQI:
Fair
32.4/100
PM2.5 (fine particles):
Good
18.3/100
PM10 (coarse particles):
Good
6.8/100
NO2 (nitrogen dioxide):
Fair
29.0/100
O3 (ozone):
Fair
32.4/100
SO2 (sulfur dioxide):
Good
8.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.4/100
PM1 (ultrafine particles):
Good
12.4/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 07:00
AQI:
Fair
36.0/100
PM2.5 (fine particles):
Good
16.5/100
PM10 (coarse particles):
Good
6.7/100
NO2 (nitrogen dioxide):
Good
16.3/100
O3 (ozone):
Fair
36.0/100
SO2 (sulfur dioxide):
Good
8.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.3/100
PM1 (ultrafine particles):
Good
10.6/100
Other Landmarks in Moab
Frequently Asked Questions
Is air quality bad in Arches National Park right now?
On 9 August 2026, overall air quality in Arches National Park is fair. AQI is the main air quality indicator at 32.4/100. Pollution peaks around 10:00 AM (O3: 32.4/100).
Will air quality be worse tomorrow in Arches National Park?
On 10 August 2026, air quality conditions in Arches National Park will be similar to today, with AQI forecast at fair at 36.0/100. Pollution peaks around 7:00 AM (O3: 36.0/100).
When is air pollution at its worst in Arches National Park?
Air quality around Arches National Park changes with the seasons. Typically, the shoulder seasons of spring and fall typically offer the most stable, cleanest conditions, while valley and basin locations can see pollution trapped under cold air for days during winter inversions. Higher-elevation, more exposed locations generally avoid the worst of the valley inversion episodes.
Are air quality levels in Arches National 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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