Air Quality Warnings in Mexico
Air Quality Warnings for Mexico (Northern America) come from Servicio Meteorológico Nacional (SMN), Centro Nacional de Prevención de Desastres (CENAPRED), Servicio Sismológico Nacional (SSN). This page explains what these warnings mean, which authority publishes them, and how to check the current status for Mexico City.
Check live smog, status for Mexico CityBrowse all warnings
At a glance
- countryMexico · North America
- reference cityMexico City (19.43, -99.13)
- emergencyPrimary emergency number911
- risk profilestorm, flood, heat, drought, wildfire, earthquake, volcano, tsunami, landslide, coastal, radiation
What counts as a air quality warnings
Air quality warnings are issued when particulate matter (PM2.5 and PM10), ozone, nitrogen dioxide or sulphur dioxide reach levels that harm health, or when Saharan dust, wildfire smoke or winter smog episodes push concentrations up. Values are usually published as an air quality index, but the index scale and its breakpoints differ from country to country.
Who issues air quality warnings in Mexico
- meteoServicio Meteorológico Nacional (SMN)
- civilCentro Nacional de Prevención de Desastres (CENAPRED)
- seismicServicio Sismológico Nacional (SSN)
Warning levels, colours and terminology are set nationally. Always read the warning text of the issuing authority: it names the affected districts, the expected time window and the recommended action.
If a warning is active in Mexico
- Ventilate in the early morning on smog days and keep windows shut at peak hours.
- Avoid strenuous outdoor exercise when the index is high.
- Wear a well-fitted FFP2 or N95 mask if you must be outdoors in smoke or dust.
Where the data comes from
Waarning reads public, key-free sources for Mexico: Open-Meteo Air Quality, Copernicus CAMS, national environment agencies, national pollen services. Measurements and official warnings are shown separately, and official warnings always keep the name of the authority that issued them.
Frequently asked questions
Who issues air quality warnings in Mexico?
Servicio Meteorológico Nacional (SMN), Centro Nacional de Prevención de Desastres (CENAPRED), Servicio Sismológico Nacional (SSN). Waarning does not issue warnings; it aggregates the public feeds of these bodies and links back to the original source.
What is the emergency number in Mexico?
The primary emergency number is 911. Use it for a life-threatening situation; for non-urgent reports use the local police station number.
Does Waarning show live air quality warnings for Mexico?
Yes. The dashboard loads the current values for Mexico City from Open-Meteo Air Quality, Copernicus CAMS, national environment agencies, national pollen services. You can open it with one click and the location is already set.
More warnings for Mexico
- Severe Weather Warnings
- Flood Warnings
- Heat Warnings
- Drought Warnings
- Wildfire Warnings
- Earthquake Alerts
Air Quality Warnings in nearby countries
Generated 2026-10-18. Waarning is not an official warning service; in an emergency follow local authorities and emergency services.