Worst air pollution Sandy, today and tomorrow
Today (9 August): Air quality in Sandy is fair. AQI, PM2.5, NO2, O3, and PM1 are fair; PM10, SO2, CO, and HCHO are good. Pollution peaks around 10:00 PM (NO2: 34.4/100).
Tomorrow (10 August 2026): Air quality in Sandy is fair. AQI improves to medium; NO2 decreases to medium; all other pollutants stay as today. Pollution peaks around 10:00 PM (NO2: 40.7/100). Airmine updates local air quality forecasts four times daily.
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Sandy's air quality faces Utah's severe winter inversion problem, with the Salt Lake Valley's enclosed Wasatch Front basin trapping vehicle emissions under persistent cold-air pools. Vehicle emissions from I-15 and the surrounding suburban road network are the primary local sources, while summer air quality is generally excellent with clean Rocky Mountain airflows creating the dramatic seasonal contrast characteristic of all Utah's mountain valley communities.
Today - 9 August | Pollution peaks at 22:00
AQI:
Fair
34.4/100
PM2.5 (fine particles):
Fair
22.4/100
PM10 (coarse particles):
Good
6.5/100
NO2 (nitrogen dioxide):
Fair
34.4/100
O3 (ozone):
Fair
34.2/100
SO2 (sulfur dioxide):
Good
4.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.7/100
PM1 (ultrafine particles):
Fair
27.0/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 22:00
AQI:
Medium
40.7/100
PM2.5 (fine particles):
Fair
29.2/100
PM10 (coarse particles):
Good
8.9/100
NO2 (nitrogen dioxide):
Medium
40.7/100
O3 (ozone):
Fair
35.6/100
SO2 (sulfur dioxide):
Good
3.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
8.0/100
PM1 (ultrafine particles):
Fair
34.6/100
Pollen forecast in Sandy
View pollen forecastFrequently Asked Questions
Is air quality bad in Sandy right now?
On 9 August 2026, overall air quality in Sandy is fair. AQI is the main air quality indicator at 34.4/100. Pollution peaks around 10:00 PM (NO2: 34.4/100).
Will air quality be worse tomorrow in Sandy?
On 10 August 2026, air quality conditions in Sandy will be similar to today, with O3 forecast at fair at 35.6/100. Pollution peaks around 10:00 PM (NO2: 40.7/100).
When is air pollution at its worst in Sandy?
Sandy's air quality has a clear seasonal rhythm — autumn is often the cleanest stretch, between wildfire season and the onset of winter inversions, 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 Sandy 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: 9 August 2026 at 20:27 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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