Philadelphia Air Quality Alert: PM2.5 Levels Unhealthy for Sensitive Groups
On February 19, 2026, air quality in Philadelphia, PA reached an AQI of 104, categorized as Unhealthy for Sensitive Groups due to fine particulate matter (PM2.5).
Current Air Quality
As of February 19, 2026, the reporting area of Philadelphia, PA is experiencing air quality levels categorized as Unhealthy for Sensitive Groups. The primary pollutant of concern is fine particulate matter (PM2.5), which has reached an Air Quality Index (AQI) value of 104. Other measured pollutants include Ozone (O3) with an AQI of 4 (Good) and PM10 with an AQI of 43 (Good).
What This Means
An AQI level of 104 falls into the “Unhealthy for Sensitive Groups” category. According to EPA standards, this indicates that air quality is unhealthy for members of sensitive populations, though the general public is less likely to be affected.
Who Should Take Precautions
Groups at increased risk from exposure to fine particulate matter at this level include:
- People with heart or lung disease
- Older adults
- Children
- People with diabetes
What You Should Do
Members of sensitive groups should consider reducing prolonged or heavy exertion outdoors. It is recommended to take more breaks, shorten the intensity of outdoor activities, and watch for symptoms such as coughing or shortness of breath. The general public can continue normal outdoor activities.
Source
Data provided by EPA AirNow.
Source: EPA Official Notice