What is the air quality in Aurora CO?

Aurora CO, United States of America has an annual US AQI of 45 (Reasonable) and average PM2.5 of 7.3 µg/m³, ranking #436 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Aurora CO?

October is typically the cleanest month (AQI 38) and July the most polluted (AQI 52).

Where does Aurora CO's air quality data come from?

PM2.5: 1998–2024 (satellite). From satellite data, because no government monitor covers the city. Full sources are on the methodology page.

Aurora CO, United States of America — Air Quality & Clean City Guide 2026

Aurora CO Air Quality Data

Global rank	City	Continent	AQI	PM2.5
436	Aurora CO, United States of America	North America	AQI 45	PM2.5 7.3 µg/m³