What is the air quality in Salem OR?

Salem OR, United States of America has an annual US AQI of 40 (Reasonable) and average PM2.5 of 7 µg/m³, ranking #258 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Salem OR?

April is typically the cleanest month (AQI 32) and November the most polluted (AQI 53).

Where does Salem OR's air quality data come from?

PM2.5: 1998–2026 (monitors 1999–2002, 2004–2026, satellite 1998, 2003; 2026 provisional (AirNow)). Measured by government monitoring stations. Full sources are on the methodology page.

Salem OR, United States of America — Air Quality & Clean City Guide 2026

Salem OR Air Quality Data

Global rank	City	Continent	AQI	PM2.5
258	Salem OR, United States of America	North America	AQI 40	PM2.5 7 µg/m³