Overview
- The alerts remain in effect through 8:00 a.m. on January 16 with authorities noting the measures could be reactivated later as conditions evolve.
- Tlalpan holds the orange alert with expected lows near 1°C and a risk of frost during the early morning hours.
- A yellow alert covers Álvaro Obregón, Cuajimalpa, Magdalena Contreras, Milpa Alta and Xochimilco, where minimum temperatures are forecast between 4°C and 6°C.
- Guidance includes ventilating if using heaters or fireplaces, extinguishing candles or charcoal braziers, dressing warmly, staying hydrated and consuming hot beverages.
- Authorities highlight protection for children, older adults and pregnant people and recommend keeping influenza, pneumococcal and COVID-19 vaccinations up to date; outlets note minor differences in borough lists, so SGIRPC channels are the reference for updates.