What is the air quality in Celaya?

Celaya, Mexico has an annual US AQI of 70 (Polluted) and average PM2.5 of 18.9 µg/m³, ranking #3186 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Celaya?

September is typically the cleanest month (AQI 57) and May the most polluted (AQI 89).

Where does Celaya's air quality data come from?

PM2.5: 1998–2026 (monitors 2012–2013, 2015, 2020–2026, satellite 1998–2012, 2014–2019; 2025–2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Celaya, Mexico — Air Quality & Clean City Guide 2026

Celaya Air Quality Data

Global rank	City	Continent	AQI	PM2.5
3186	Celaya, Mexico	North America	AQI 70	PM2.5 18.9 µg/m³