What is the air quality in Valle de Chalco Solidaridad?

Valle de Chalco Solidaridad, Mexico has an annual US AQI of 93 (Polluted) and average PM2.5 of 22.2 µg/m³, ranking #4358 of 5856 cities. Main pollutant: O3.

What is the cleanest month in Valle de Chalco Solidaridad?

September is typically the cleanest month (AQI 73) and May the most polluted (AQI 132).

Where does Valle de Chalco Solidaridad's air quality data come from?

PM2.5: 1998–2026 (satellite 1998–2024, model 2025–2026). From satellite data, because no government monitor covers the city. Full sources are on the methodology page.

Valle de Chalco Solidaridad, Mexico — Air Quality & Clean City Guide 2026

Valle de Chalco Solidaridad Air Quality Data

Global rank	City	Continent	AQI	PM2.5
4358	Valle de Chalco Solidaridad, Mexico	North America	AQI 93	PM2.5 22.2 µg/m³