What is the air quality in State College PA?

State College PA, United States of America has an annual US AQI of 50 (Reasonable) and average PM2.5 of 10.1 µg/m³, ranking #780 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in State College PA?

October is typically the cleanest month (AQI 42) and July the most polluted (AQI 59).

Where does State College PA's air quality data come from?

PM2.5: 1998–2026 (monitors 2000–2026, satellite 1998–2000, 2002, 2016, 2024; 2026 provisional (AirNow)). Measured by government monitoring stations. Full sources are on the methodology page.

State College PA, United States of America — Air Quality & Clean City Guide 2026

State College PA Air Quality Data

Global rank	City	Continent	AQI	PM2.5
780	State College PA, United States of America	North America	AQI 50	PM2.5 10.1 µg/m³