United States
Air quality in Philadelphia is acceptable. Consider reducing intensity or duration.
Data from Open-Meteo • Updated 10:59:42 AM
Philadelphia's air quality is shaped by its Northeast corridor location, with vehicle emissions and regional pollutant transport. Summer ozone can reach unhealthy levels, while winter inversions trap particulate matter. Runners should favor Fairmount Park and the Schuylkill River Trail for cleaner conditions.
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Try it freePhiladelphia usually sees AQI readings between 30 and 65, with summer ozone pushing values into the Moderate range. Air quality action days are declared several times each summer.
Morning runs along the Schuylkill River trail or in Fairmount Park offer the best air quality. Spring and fall provide the most consistently clean conditions for outdoor exercise.
Deep dive into pollutants, thresholds, and how air quality affects your running performance.
Quick threshold lookup for every AQI level. Know when to run and when to stay indoors.
Practical rules for training during smoke events: when to go indoors and how to recover.