Phoenix Air Quality Alert: PM10 Levels Reach Unhealthy for Sensitive Groups Category

Current Air Quality

As of February 17, 2026, the air quality in the Phoenix, AZ reporting area has reached a level categorized as Unhealthy for Sensitive Groups. The primary pollutant of concern is PM10, which recorded an Air Quality Index (AQI) value of 143.

Other observed pollutants in the area include:

• PM2.5: AQI 66 (Moderate)
• Ozone (O3): AQI 32 (Good)

What This Means

An AQI value between 101 and 150 is classified by the EPA as “Unhealthy for Sensitive Groups.” At this level, members of sensitive groups may experience health effects, though the general public is less likely to be affected.

Who Should Take Precautions

The following groups are at increased risk from PM10 (particle pollution) exposure at this level:

• People with heart or lung disease
• Older adults
• Children and teenagers

What You Should Do

If you are in a sensitive group, you should reduce prolonged or heavy exertion outdoors. While it is generally safe for the public to be active outside, those at risk should take more breaks, engage in less intense activities, and monitor for symptoms such as coughing or shortness of breath.

Source

Data provided by EPA AirNow.