Air Quality Alert: Philadelphia Air Quality Reaches Unhealthy for Sensitive Groups Level

Air Quality low EPA · · Philadelphia, PA

On February 15, 2026, air quality in Philadelphia, PA reached an AQI of 111, categorized as Unhealthy for Sensitive Groups due to fine particulate matter (PM2.5).

Current Air Quality

In the Philadelphia, PA reporting area, the air quality index (AQI) reached a peak of 111 on February 15, 2026. The primary pollutant of concern is fine particulate matter (PM2.5), which is currently classified in the “Unhealthy for Sensitive Groups” category. Other monitored pollutants for the area include Ozone (O3) with an AQI of 31 (Good) and PM10 with an AQI of 38 (Good).

What This Means

An AQI level of 111 is categorized as “Unhealthy for Sensitive Groups.” This indicates that air quality is reaching levels where members of sensitive groups may experience health effects, though the general public is less likely to be affected by these conditions.

Who Should Take Precautions

Groups at higher risk from this level of air pollution include people with heart or lung disease, older adults, children, and teenagers. These individuals are more sensitive to the effects of fine particulate matter and should be mindful of their outdoor exposure.

What You Should Do

Members of sensitive groups are advised to reduce prolonged or heavy exertion outdoors. It is recommended to take more breaks and choose less intense activities during this period. The general public is generally not affected at this AQI level and can continue with normal outdoor activities.

Source

Data provided by EPA AirNow.

Source: EPA Official Notice