Worst air pollution Arcadia - Phoenix, today and tomorrow
Today (9 August): Air quality in Arcadia is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 4:00 AM (O3: 23.9/100).
Tomorrow (10 August 2026): Air quality in Arcadia is fair. All pollutants stay as today. Pollution peaks around 10:00 AM (O3: 22.5/100). 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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Phoenix's Arcadia air quality reflects the affluent east Phoenix residential neighbourhood adjacent to Camelback Mountain, with vehicle traffic on the surrounding residential and commercial character contributing local sources. The Camelback Mountain's modest eastern slope provides limited topographic variation, while the Valley of the Sun basin and persistent inversions affect all metropolitan areas and Arcadia's residential character generally maintains moderate Phoenix eastern suburban readings throughout most of the year.
Today - 9 August | Pollution peaks at 04:00
AQI:
Fair
23.9/100
PM2.5 (fine particles):
Good
11.1/100
PM10 (coarse particles):
Good
12.0/100
NO2 (nitrogen dioxide):
Good
0.2/100
O3 (ozone):
Fair
23.9/100
SO2 (sulfur dioxide):
Good
0.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.2/100
PM1 (ultrafine particles):
Good
4.4/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 10:00
AQI:
Fair
22.5/100
PM2.5 (fine particles):
Good
10.8/100
PM10 (coarse particles):
Good
11.3/100
NO2 (nitrogen dioxide):
Good
0.5/100
O3 (ozone):
Fair
22.5/100
SO2 (sulfur dioxide):
Good
0.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.9/100
PM1 (ultrafine particles):
Good
5.0/100
Other Landmarks in Phoenix
Sports venues in Phoenix
Frequently Asked Questions
Is air quality bad in Arcadia right now?
On 9 August 2026, overall air quality in Arcadia is fair. AQI is the main air quality indicator at 23.9/100. Pollution peaks around 4:00 AM (O3: 23.9/100).
Will air quality be worse tomorrow in Arcadia?
On 10 August 2026, air quality conditions in Arcadia will be similar to today, with AQI forecast at fair at 22.5/100. Pollution peaks around 10:00 AM (O3: 22.5/100).
When is air pollution at its worst in Arcadia?
Seasonal changes shape air quality at Arcadia much as they do across Phoenix. In short, winter typically brings a welcome break from both heat-driven ozone and blowing dust, whereas spring dust storms and summer ozone together make March through September the toughest stretch. Sudden haboob-style dust storms can appear with little warning during the spring wind season.
Are air quality levels in Arcadia 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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