Phoenix Air Quality Reaches Very Unhealthy Levels with AQI of 212
On March 18, 2026, Phoenix, AZ recorded a Very Unhealthy air quality level of 212, with PM10 identified as the primary pollutant of concern.
Current Air Quality
In Phoenix, AZ, air quality observations for March 18, 2026, indicate a significant concentration of pollutants. The primary concern is PM10, which has reached an Air Quality Index (AQI) of 212, placing it in the “Very Unhealthy” category. Other measured parameters include PM2.5 at an AQI of 82 (Moderate) and Ozone (O3) at an AQI of 43 (Good).
What This Means
An AQI of 212 is classified as “Very Unhealthy” by the EPA. At this level, the risk of health effects is significantly increased for the entire population, as air quality conditions are considered health warnings of emergency conditions.
Who Should Take Precautions
While sensitive groups—including children, older adults, and individuals with heart or lung disease—are at the highest risk, the general public is also likely to be affected. Everyone in the Phoenix area should be aware of the potential for respiratory impact.
What You Should Do
To minimize health risks, the following actions are recommended:
- Sensitive groups: Avoid all physical activity outdoors. Move activities indoors or reschedule to a time when air quality is better.
- Everyone else: Avoid prolonged or heavy exertion. Consider moving activities indoors or rescheduling outdoor tasks.
Source
Data provided by EPA AirNow.
Source: EPA Official Notice
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