Overview
- Phase 1 of the ozone contingency remains in effect this morning across the Mexico City metro area, with expanded driving restrictions in place from 5:00 to 22:00.
- Restrictions cover private vehicles with hologram 2; hologram 1 plates ending in 2, 4, 6, 8, 9, 0; hologram 0/00 with blue sticker and plates 9, 0; vehicles without a hologram; plus a 50% cut to LPG tanker deliveries without dry‑disconnect valves (even plates), freight trucks from 6:00–10:00, and taxis from 10:00–22:00 per their plate rules.
- Exempt vehicles include electric and hybrid cars, those with an exempt or ecological plate, motorcycles in Phase 1, emergency and essential service units, public transport, and certain 0/00 vehicles not bearing the blue sticker with plates 9 or 0.
- Health guidance urges people to avoid outdoor activity from 13:00 to 19:00 and to suspend outdoor events during that window, with special care for children, older adults, pregnant people, and those with respiratory or cardiovascular disease.
- Officials attribute the alert to readings that peaked at 160 ppb of ozone and warn of enforcement with towing and fines—reported in CDMX at roughly 1,792 to 17,924 pesos and in Edomex about 1,924 pesos—while advising residents to monitor updates via the Aire app and official channels.