Mexico City, June 2nd, 2026 – The Directorate of Atmospheric Monitoring of Mexico City reported on Tuesday, June 2nd, 2026, that the air quality in the Mexico City Metropolitan Area is “Acceptable,” indicating a “Moderate” health risk. This assessment was made at 05:00 AM EST and prompts recommendations for residents, particularly vulnerable groups, regarding outdoor activities. The Ultraviolet (UV) index was also reported at level 0, meaning no sun protection is needed.
Air Quality in Mexico City and Surrounding Areas
The continuous monitoring by the Directorate of Atmospheric Monitoring aims to inform the public about potential health risks associated with air pollution. Poor air quality can lead to respiratory, cardiovascular, and neurological problems over time. Authorities frequently issue warnings and implement measures such as environmental contingencies and the “Hoy No Circula” program to mitigate these risks.
The latest report indicates an “Acceptable” air quality, which suggests that while the general population can still engage in outdoor activities, sensitive groups should consider reducing vigorous physical exertion outdoors. Sensitive groups include children, the elderly, individuals with nutritional deficiencies, those who perform outdoor activities, cyclists, and outdoor workers.
UV Index and Recommendations
For June 2nd, the UV index registered a level of 0, meaning “no protection needed” for outdoor activities. This low level contrasts with the usual high UV levels experienced in Mexico City, offering a respite for residents.
Detailed Air Quality by Boroughs and Municipalities
The Directorate of Atmospheric Monitoring operates 16 stations within Mexico City and 13 in the State of Mexico to provide granular data on air quality. Here’s a breakdown of the reported conditions:
Mexico City Boroughs:
- Good: Tlalpan (AJM), Benito Juárez (BJU), Azcapotzalco (CAM), Gustavo A. Madero (GAM), Miguel Hidalgo (MGH), Álvaro Obregón (PED), Iztapalapa (SAC), Tláhuac (TAH), Iztapalapa (UIZ).
- Acceptable: Coyoacán (CCA), Coyoacán (UAX).
- No Data or Maintenance: Cuauhtémoc (HGM), Venustiano Carranza (MER), Cuajimalpa (SFE).
State of Mexico Municipalities:
- Good: Cuautitlán Izcalli (CUT), Naucalpan (FAC), Anexo de Tlalnepantla (LPR), Nezahualcóyotl (NEZ), Tlalnepantla (TLA), Tultitlán (TLI), Coacalco (VIF).
- No Data or Maintenance: Atizapán (ATI), Chalco (CHO), Nezahualcóyotl (FAR), Ecatepec (LLA), Ecatepec (SAG), Ecatepec (XAL).
Some municipalities and boroughs appear multiple times due to having more than one monitoring station.
Air Quality Levels and Associated Recommendations
The Directorate of Atmospheric Monitoring categorizes air quality into five levels, each with specific health recommendations:
- Good (Green): Minimal health risk. General population and sensitive groups can enjoy outdoor activities.
- Acceptable (Yellow): Moderate risk. Sensitive individuals may experience respiratory symptoms. They should consider reducing vigorous outdoor physical activities.
- Bad (Orange): Significant risk. Increased likelihood of respiratory symptoms in sensitive individuals and aggravation of respiratory and heart diseases. Both sensitive groups and the general population should take precautions.
- Very Bad (Red): Severe risk. Aggravated respiratory symptoms in sensitive populations and those with lung disease. Increased cardiovascular symptoms and premature deaths in individuals with heart or lung conditions. Significant precautions are necessary for all.
- Extremely Bad (Purple): Critical risk. High probability of severe respiratory symptoms in the general population, serious respiratory effects, and aggravated symptoms in sensitive individuals. Increased cardiovascular symptoms and premature deaths in those with heart or lung conditions.
The authorities emphasize that sensitive groups include children, the elderly, individuals with nutritional deficiencies, and those engaged in outdoor activities or work.
This report highlights the ongoing efforts by Mexico City authorities to keep the public informed and to implement necessary measures to protect health in one of the world’s largest and most populated urban centers.