Overview
- Vehicles with red sticker, plates ending in 3 and 4, and verification hologram 1 or 2 are restricted on Wednesday, December 17 from 05:00 to 22:00.
- Cars with foreign plates or valid temporary import permits are exempt from the program from December 1, 2025 to January 9, 2026 per the state contamination-control authority.
- Regular exemptions remain for hologram 00 and 0, electric and hybrid vehicles, motorcycles, public transport, taxis, cargo transport, and authorized health vehicles.
- The program applies across all 16 CDMX boroughs, conurbated municipalities in the State of Mexico, and the metropolitan areas of Toluca and Santiago Tianguistenco.
- Air quality was reported acceptable Wednesday morning, and CAMe cautions a contingency is likely around December 25 or January 1, with guidance to avoid fireworks and open burning; violations can draw 20–30 UMA fines and potential impoundment.