CAMe Activates Phase 1 of Environmental Contingency in Mexico City Valley
Comisión Ambiental de la Megalópolis (CAMe) activated the first phase of environmental contingency in the Mexico City Valley on Tuesday due to high ozone concentrations. The agency reported that at 4:00 PM on April 1st, ozone levels reached 166 ppb at the FES Acatlán station in Naucalpan de Juárez, Estado de México, and 156 ppb ...












