Government ❯ Environmental Agencies

Comisión Ambiental de la Megalópolis

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Mexico City Region Ends Ozone Contingency After Levels Fall

Increased humidity with cloud cover curbed sun‑driven ozone, prompting officials to end the alert.

Hoy No Circula Returns to Regular Third‑Saturday Rules as Air Quality Improves in Mexico City Region

Mexico City Extends Phase I Ozone Contingency Into Feb. 14

CAMe Lifts Ozone Contingency in Valley of Mexico After Air Quality Rebounds

Valley of Mexico Lifts PM2.5 Contingency After New Year Pollution Eases