Story perspectives
Philadelphia Launches Real-Time Air Quality Monitoring Network
2/19/2026
1 of 1
Story summary
- Philadelphia has launched a real-time air quality network with solar-powered sensors at 76 locations.
- Mayor Cherelle L. Parker introduced the program to give residents access to air quality data online.
- The sensors measure PM2.5 and nitrogen dioxide.
- Health Commissioner Palak Raval-Nelson cited the system's effectiveness during a fire for timely communication about air quality in underserved neighborhoods.
- The project is overseen by the city's health department and costs $90,000 annually.
