Philadelphia Air Quality
Current air-quality information for Philadelphia, United States.
Air quality is generally considered satisfactory.
Open-Meteo / CAMS model · Updated 2026-10-18T13:00Health context
At the current AQI of 21, Philadelphia is in the Good category on the displayed AQI scale. Most people can continue normal outdoor activities. Current pollutant values shown for Philadelphia are PM2.5 4.5 µg/m³, PM10 4.8 µg/m³, O₃ 68 µg/m³, NO₂ 6.3 µg/m³. The current reading is identified on this page as Open-Meteo / CAMS model. These are model-based conditions for the Philadelphia area and can differ from a nearby monitoring-station observation.
Air-quality information is not medical advice. People with asthma, heart or lung disease, children, older adults and other sensitive groups may need to take additional precautions when pollution is elevated.
Recent History & Forecast
This chart shows atmospheric-model AQI history and forecast from Open-Meteo / Copernicus Atmosphere Monitoring Service (CAMS) model. It is separate from any monitoring-station observation shown in the Current AQI card.
What does AQI 21 mean in Philadelphia?
Philadelphia currently has an AQI of 21, which falls in the Good category. This indicates relatively low overall air pollution on the displayed AQI scale. Normal outdoor activity is generally appropriate for most people. The pollutant values currently shown for Philadelphia are PM2.5 4.5 µg/m³, PM10 4.8 µg/m³, O₃ 68 µg/m³, NO₂ 6.3 µg/m³. The displayed current conditions are model estimates for the Philadelphia area (Open-Meteo / CAMS model), rather than a single monitoring-station observation.
Nearby cities
- Staten Island air quality — approximately 110 km away
- Newark air quality — approximately 121 km away
- Jersey City air quality — approximately 126 km away
- Brooklyn air quality — approximately 129 km away
- New York air quality — approximately 130 km away
- New York City air quality — approximately 130 km away
Related air-quality news and articles
- Trump rips Canada for wildfire smoke, threatens tariffs boost — AirQualityIndex.org · July 17, 2026
- A network of air quality monitors grows in a formerly redlined area of West Philadelphia | Local News | phillytrib.com - The Philadelphia Tribune — The Philadelphia Tribune · Oct 14, 2026
- Fire in Southwest Philadelphia causes haze, air quality concerns - CBS News — CBS News · Sep 30, 2026
Recent external headlines are retrieved from Google News RSS and linked to the news result/publisher. Results are cached and filtered for both geographic and air-pollution relevance.