Worst air pollution Arches National Park - Moab, today and tomorrow
Today (16 July): Air quality in Arches National Park is fair. PM2.5 and PM10 are fair; AQI, NO2, and O3 are medium; SO2, CO, HCHO, and PM1 are good. Pollution peaks around 7:00 AM (O3: 48.6/100).
Tomorrow (17 July 2026): Air quality in Arches National Park is fair. PM10 decreases to good; all other pollutants stay as today. Pollution peaks around 6:00 AM (O3: 51.8/100). 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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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 - 16 July | Pollution peaks at 07:00
AQI:
Medium
48.6/100
PM2.5 (fine particles):
Fair
26.6/100
PM10 (coarse particles):
Fair
23.5/100
NO2 (nitrogen dioxide):
Medium
45.8/100
O3 (ozone):
Medium
48.6/100
SO2 (sulfur dioxide):
Good
12.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
8.4/100
PM1 (ultrafine particles):
Good
19.2/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 06:00
AQI:
Medium
51.8/100
PM2.5 (fine particles):
Fair
26.7/100
PM10 (coarse particles):
Good
16.9/100
NO2 (nitrogen dioxide):
Medium
42.7/100
O3 (ozone):
Medium
51.8/100
SO2 (sulfur dioxide):
Good
10.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
9.8/100
PM1 (ultrafine particles):
Good
18.1/100
Other Landmarks in Moab
Frequently Asked Questions
Is air quality bad in Arches National Park right now?
On 16 July 2026, overall air quality in Arches National Park is fair. PM2.5 is the main pollutant at 26.6/100. Pollution peaks around 7:00 AM (O3: 48.6/100).
Will air quality be worse tomorrow in Arches National Park?
On 17 July 2026, air quality conditions in Arches National Park will be similar to today, with PM2.5 forecast at fair at 26.7/100. Pollution peaks around 6:00 AM (O3: 51.8/100).
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.
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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