Phoenix Air Quality Reaches Unhealthy Level for PM10
Air quality in Phoenix, AZ, has reached an AQI of 157 (Unhealthy) on March 3, 2026, with PM10 identified as the primary pollutant.
Current Air Quality
In Phoenix, AZ, the air quality recorded on March 3, 2026, reached an Air Quality Index (AQI) of 157. The primary pollutant is PM10, which is classified as Unhealthy. Other pollutants measured include PM2.5 with an AQI of 78 (Moderate) and Ozone (O3) with an AQI of 36 (Good).
What This Means
An AQI in the Unhealthy range (151-200) indicates that members of the general public may begin to experience health effects. Members of sensitive groups may experience more serious health effects from exposure to the air.
Who Should Take Precautions
Sensitive groups, including people with heart or lung disease, older adults, children, and teenagers, are at the highest risk. However, when air quality reaches the Unhealthy category, the general public may also be affected.
What You Should Do
For PM10 levels in the Unhealthy category, the EPA recommends that everyone reduce prolonged or heavy exertion. Sensitive groups should avoid prolonged or heavy exertion and consider moving activities indoors or rescheduling them to a time when air quality has improved.
Source
Data provided by EPA AirNow.
Source: EPA Official Notice