What is the air quality in Prescott AZ?

Prescott AZ, United States of America has an annual US AQI of 43 (Reasonable) and average PM2.5 of 5.1 µg/m³, ranking #347 of 5856 cities. Main pollutant: O3.

What is the cleanest month in Prescott AZ?

January is typically the cleanest month (AQI 32) and May the most polluted (AQI 54).

Where does Prescott AZ'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.

Prescott AZ, United States of America — Air Quality & Clean City Guide 2026

Prescott AZ Air Quality Data

Global rank	City	Continent	AQI	PM2.5
347	Prescott AZ, United States of America	North America	AQI 43	PM2.5 5.1 µg/m³