Phoenix, AZ 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.
On March 5, 2026, air quality in Phoenix, AZ reached an AQI of 140, categorized as Unhealthy for Sensitive Groups due to PM10 levels.
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, the air quality for March 5, 2026, has been recorded at an Air Quality Index (AQI) of 140. The primary pollutant is PM10, which is currently in the "Unhealthy for Sensitive Groups" category. Other observed pollutants include PM2.5 at an AQI of 66 (Moderate) and Ozone (O3) at an AQI of 44 (Good).
What This Means
An AQI of 140 indicates that the air quality is Unhealthy for Sensitive Groups. This means that while the general public is not likely to be affected, individuals with specific health conditions or those in certain age groups may experience health effects.
Who Should Take Precautions
Groups at higher risk include people with heart or lung disease, older adults, and children. These individuals are more sensitive to the effects of PM10 particles in the air.
What You Should Do
Sensitive groups should reduce prolonged or heavy exertion outdoors. It is recommended to take more breaks and do less intense activities. Watch for symptoms such as coughing or shortness of breath. The general public can continue normal outdoor activities.
Source
Attribution: EPA AirNow.
Original source: EPA Official Notice ↗
Related Air Quality
All Air Quality →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this EPA air-quality advisory: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,146 characters here).
Similar severity timing
Same severity (low) notices issued closest in time to April 6, 2026.
Frequently Asked Questions
Common questions about this EPA air-quality advisory.