Phoenix Air Quality Alert: PM10 Levels Reach Unhealthy for Sensitive Groups
Areazine synthesizes this EPA air-quality advisory directly from EPA's official public data feed. See our methodology for full source attribution and refresh cadence.
Air quality in Phoenix, AZ has reached an AQI of 120 for PM10 on February 11, 2026, making conditions Unhealthy for Sensitive Groups.
What this EPA air-quality advisory tells you, and what most readers miss
This notice was issued by EPA on April 6, 2026 and geographically references Phoenix, AZ. Its severity classification of "low" signals how the issuing agency weighs the risk of harm if no action is taken - "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to - Air Quality - determines the informational context it sits in, and which agency or body is the authoritative source for updates.
Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to verify its scope, source, and timestamp, then compare related notices without assuming that one record proves a broader trend.
Areazine pairs this record with the original agency URL so you can check the primary source before acting. Its related labels are air-quality, epa, aqi, Phoenix.
Current Air Quality
In Phoenix, AZ, air quality observations for February 11, 2026, indicate that the primary pollutant is PM10, which has reached an Air Quality Index (AQI) of 120. This level is categorized as Unhealthy for Sensitive Groups. Other recorded pollutants include PM2.5 with an AQI of 83 (Moderate) and Ozone (O3) with an AQI of 36 (Good).
What This Means
An AQI of 120 means that the air quality is unhealthy for members of sensitive groups. While the general public is unlikely to be affected, those with specific health conditions may experience adverse effects from breathing the air at this level.
Who Should Take Precautions
Groups at risk during this alert include people with heart or lung disease, older adults, and children. These individuals are more sensitive to the effects of PM10 particles.
What You Should Do
Members of sensitive groups should reduce prolonged or heavy outdoor exertion. It is recommended to take more breaks and engage in less intense outdoor activities. Monitor for symptoms such as coughing or shortness of breath. The general public does not need to limit outdoor activity at this time.
Source
EPA AirNow
Original source: EPA Official Notice ↗
Related Air Quality
All Air Quality →Frequently Asked Questions
Common questions about this EPA air-quality advisory.