Fresno, CA Air Quality Alert: PM2.5 Levels Reach Unhealthy for Sensitive Groups

Current Air Quality

In Fresno, CA, the air quality observation for March 21, 2026, indicates that Fine Particulate Matter (PM2.5) is the primary pollutant of concern. The PM2.5 reading reached an Air Quality Index (AQI) of 117, which is categorized as “Unhealthy for Sensitive Groups.” Other measured pollutants include PM10 with an AQI of 60 (Moderate) and Ozone (O3) with an AQI of 24 (Good).

What This Means

An AQI level of 117 means that air quality is reaching levels where members of sensitive groups may experience health effects. At this level, the general public is less likely to be affected than those with pre-existing conditions or specific vulnerabilities.

Who Should Take Precautions

Groups at risk from this level of PM2.5 include people with heart or lung disease, older adults, children, and teenagers. These individuals should be mindful of their outdoor exposure while these conditions persist.

What You Should Do

Members of sensitive groups should reduce prolonged or heavy exertion outdoors. It is advisable to take more breaks and engage in less intense activities. Watch for symptoms such as coughing or shortness of breath as indicators to reduce activity levels.

Source

EPA AirNow