What is the air quality in Chalco?

Chalco, Mexico has an annual US AQI of 77 (Polluted) and average PM2.5 of 21.9 µg/m³, ranking #3626 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Chalco?

July is typically the cleanest month (AQI 66) and May the most polluted (AQI 98).

PM2.5: 1998–2024 (satellite). From satellite data, because no government monitor covers the city. Full sources are on the methodology page.

Global rank	City	Continent	AQI	PM2.5
3626	Chalco, Mexico	North America	AQI 77	PM2.5 21.9 µg/m³