Air Quality Alert: Philadelphia, PA Reaches Unhealthy for Sensitive Groups Level
On February 14, 2026, air quality in Philadelphia reached an AQI of 104, categorized as Unhealthy for Sensitive Groups due to fine particulate matter (PM2.5).
Current Air Quality
In Philadelphia, PA, the air quality index (AQI) reached a peak of 104 on February 14, 2026. The primary pollutant of concern is fine particulate matter (PM2.5), which is currently in the “Unhealthy for Sensitive Groups” category. Other pollutants measured in the area include Ozone (O3) with an AQI of 34 (Good) and PM10 with an AQI of 40 (Good).
What This Means
An AQI level of 104 falls into the “Unhealthy for Sensitive Groups” category. This means that air quality is considered unhealthy for certain members of the population, though the general public is less likely to be affected by these conditions.
Who Should Take Precautions
Groups at increased risk from the current levels of fine particulate matter include people with heart or lung disease, older adults, children, and teenagers.
What You Should Do
Members of sensitive groups should reduce prolonged or heavy exertion. It is recommended to take more breaks and do less intense activities if spending time outdoors. Watch for symptoms such as coughing or shortness of breath. The general public is not expected to be affected and can continue normal outdoor activities.
Source
Attribution to EPA AirNow
Source: EPA Official Notice