What is the air quality in Guadalajara?

Guadalajara, Mexico has an annual US AQI of 80 (Polluted) and average PM2.5 of 23.3 µg/m³, ranking #3784 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Guadalajara?

September is typically the cleanest month (AQI 64) and May the most polluted (AQI 98).

Where does Guadalajara's air quality data come from?

PM2.5: 1998–2026 (monitors 2009–2013, 2015, 2017–2026, satellite 1998–2018, 2021–2024; 2025–2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Guadalajara, Mexico — Air Quality & Clean City Guide 2026

Guadalajara Air Quality Data

Global rank	City	Continent	AQI	PM2.5
3784	Guadalajara, Mexico	North America	AQI 80	PM2.5 23.3 µg/m³