Worst air pollution Scottsdale, today and tomorrow
Today (20 September): Air quality in Scottsdale is moderate. AQI, PM2.5, and PM10 are moderate; NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 10:00 AM (PM10: 51.9/100).
Tomorrow (21 September 2026): Air quality in Scottsdale is moderate. PM2.5 decreases to fair; all other pollutants stay as today. Pollution peaks around 12:00 AM (PM10: 45.0/100). Airmine updates local air quality forecasts four times daily.
Get the full experience in the Airmine app.
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Follow your pollen exposure and performance with the free Airmine–Strava integration. See your pollen and air quality exposure for every Strava activity.
Scottsdale's air quality reflects the Phoenix metropolitan area's Valley of the Sun enclosed basin, sharing Maricopa County's temperature inversion problem with vehicle emissions from the Loop 101 and SR-87 corridors generating elevated NOₓ in this affluent eastern Phoenix suburb. Windblown Sonoran Desert dust contributes PM10 episodes during haboob dust storm events, while summer ozone from the vast metropolitan traffic and the construction boom generating fugitive dust are the primary recurring air quality concerns.
Today - 20 September | Pollution peaks at 10:00
AQI:
Moderate
51.9/100
PM2.5 (fine particles):
Moderate
40.0/100
PM10 (coarse particles):
Moderate
51.9/100
NO2 (nitrogen dioxide):
Good
13.2/100
O3 (ozone):
Good
16.6/100
SO2 (sulfur dioxide):
Good
0.2/100
CO (carbon monoxide):
Good
0.4/100
HCHO (formaldehyde):
Good
1.0/100
PM1 (ultrafine particles):
Good
2.0/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 00:00
AQI:
Moderate
45.0/100
PM2.5 (fine particles):
Fair
34.3/100
PM10 (coarse particles):
Moderate
45.0/100
NO2 (nitrogen dioxide):
Good
6.9/100
O3 (ozone):
Good
18.4/100
SO2 (sulfur dioxide):
Good
0.6/100
CO (carbon monoxide):
Good
0.5/100
HCHO (formaldehyde):
Good
1.7/100
PM1 (ultrafine particles):
Good
2.6/100
Pollen forecast in Scottsdale
View pollen forecastSports venues in Scottsdale
Frequently Asked Questions
Is air quality bad in Scottsdale right now?
On 20 September 2026, overall air quality in Scottsdale is moderate. AQI is the main air quality indicator at 51.9/100. Pollution peaks around 10:00 AM (PM10: 51.9/100).
Will air quality be worse tomorrow in Scottsdale?
On 21 September 2026, air quality conditions in Scottsdale will be similar to today, with AQI forecast at moderate at 45.0/100. Pollution peaks around 12:00 AM (PM10: 45.0/100).
When is air pollution at its worst in Scottsdale?
Scottsdale's air quality follows a clear seasonal pattern. Typically, the cooler winter months typically bring the cleanest air of the year, while intense summer heat combines with occasional dust events to create the year's worst episodes. Sudden haboob-style dust storms can appear with little warning during the spring wind season.
Are air quality levels in Scottsdale 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.
Want to see air quality forecasts for other cities in United States?
Check air quality in other popular cities:
Data provided by Airmine — Last update: 20 September 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.
Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.
Get the full experience in the Airmine app.