What is the air quality in Florence SC?

Florence SC, United States of America has an annual US AQI of 51 (Reasonable) and average PM2.5 of 10.4 µg/m³, ranking #856 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Florence SC?

January is typically the cleanest month (AQI 47) and July the most polluted (AQI 57).

Where does Florence SC's air quality data come from?

PM2.5: 1998–2026 (monitors 1999–2026, satellite 1998–1999, 2002, 2004–2010, 2012–2015, 2017; 2026 provisional (AirNow)). Measured by government monitoring stations. Full sources are on the methodology page.

Florence SC, United States of America — Air Quality & Clean City Guide 2026

Florence SC Air Quality Data

Global rank	City	Continent	AQI	PM2.5
856	Florence SC, United States of America	North America	AQI 51	PM2.5 10.4 µg/m³