What is the air quality in Nogales?

Nogales, Mexico has an annual US AQI of 50 (Reasonable) and average PM2.5 of 9.1 µg/m³, ranking #724 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Nogales?

August is typically the cleanest month (AQI 41) and December the most polluted (AQI 63).

Where does Nogales's air quality data come from?

PM2.5: 1998–2026 (monitors 2013–2026, satellite 1998–2013; 2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Nogales, Mexico — Air Quality & Clean City Guide 2026

Nogales Air Quality Data

Global rank	City	Continent	AQI	PM2.5
724	Nogales, Mexico	North America	AQI 50	PM2.5 9.1 µg/m³