What is the air quality in Winston Salem NC?

Winston Salem NC, United States of America has an annual US AQI of 52 (Reasonable) and average PM2.5 of 10.8 µg/m³, ranking #1000 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Winston Salem NC?

October is typically the cleanest month (AQI 47) and July the most polluted (AQI 60).

Where does Winston Salem NC's air quality data come from?

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

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

Winston Salem NC Air Quality Data

Global rank	City	Continent	AQI	PM2.5
1000	Winston Salem NC, United States of America	North America	AQI 52	PM2.5 10.8 µg/m³