What is the air quality in Hagerstown MD?

Hagerstown MD, United States of America has an annual US AQI of 51 (Reasonable) and average PM2.5 of 10.4 µg/m³, ranking #858 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Hagerstown MD?

October is typically the cleanest month (AQI 44) and July the most polluted (AQI 59).

Where does Hagerstown MD's air quality data come from?

PM2.5: 1998–2026 (monitors 2000–2026, satellite 1998–2000, 2002, 2004–2005; 2026 provisional (AirNow)). Measured by government monitoring stations. Full sources are on the methodology page.

Hagerstown MD, United States of America — Air Quality & Clean City Guide 2026

Hagerstown MD Air Quality Data

Global rank	City	Continent	AQI	PM2.5
858	Hagerstown MD, United States of America	North America	AQI 51	PM2.5 10.4 µg/m³