What is the air quality in Chihuahua?

Chihuahua, Mexico has an annual US AQI of 51 (Reasonable) and average PM2.5 of 9.7 µg/m³, ranking #816 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Chihuahua?

February is typically the cleanest month (AQI 45) and May the most polluted (AQI 57).

Where does Chihuahua's air quality data come from?

PM2.5: 1998–2026 (monitors 2020–2026, satellite 1998–2019, 2021–2024; 2025–2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Chihuahua, Mexico — Air Quality & Clean City Guide 2026

Chihuahua Air Quality Data

Global rank	City	Continent	AQI	PM2.5
816	Chihuahua, Mexico	North America	AQI 51	PM2.5 9.7 µg/m³