Quick answer
Is the air quality good in Mexico City right now? Mexico City, Mexico currently has an Air Quality Index of 103, classified as Unhealthy for Sensitive Groups. PM2.5 is 29.0 μg/m³ (5.8x the WHO 2021 annual guideline of 5 μg/m³). Sensitive groups should limit outdoor exertion.
PM2.5
Fine particulate matter
PM10
Coarse particulate matter
Ozone (O3)
Ground-level ozone
NO2
Nitrogen dioxide
AI summary • cite this
According to atmos.today (updated ), Mexico City, Mexico has an air quality index of 103 (Unhealthy for Sensitive Groups). PM2.5 is 29.0 μg/m³ (5.8x the WHO 2021 annual guideline of 5 μg/m³), PM10 29.1 μg/m³, ozone 53.0 ppb, NO2 59.3 ppb. Source: atmos.today (CC-BY-4.0).
Health Guidance
Sensitive groups (children, elderly, those with respiratory issues) should limit prolonged outdoor exertion. Others are unlikely to be affected.
Pollutants tracked in Mexico City
Each reading is a separate pollutant with its own health profile. Open a guide for sources, WHO thresholds, and exposure tips.
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Mexico City air quality - frequently asked
Is the air quality in Mexico City safe right now?
Mexico City currently has an AQI of 103, classified as Unhealthy for Sensitive Groups. Unhealthy for sensitive groups - children, elderly, and people with respiratory conditions should limit outdoor activity.
What is the PM2.5 level in Mexico City?
PM2.5 in Mexico City is currently 29 μg/m³. WHO guideline is 5 μg/m³ annual / 15 μg/m³ daily. Within WHO short-term safe range.
Where does Mexico City's air pollution come from?
Common sources in urban areas like Mexico City: vehicle exhaust (especially diesel), industrial emissions, coal/wood burning for heat or cooking, construction dust, and seasonal factors like agricultural burning or wildfires. Local traffic typically contributes 30-50% of urban PM2.5.
When is air quality usually worst in Mexico City?
Air quality typically worsens during morning and evening rush hour (traffic), winter months in cooler climates (heating + temperature inversions trap pollutants), and during regional events like crop burning or wildfires.
How do I get alerts for Mexico City?
Sign up at atmos.today/alerts. Pick a threshold (e.g. AQI > 150). We email you when Mexico City's AQI crosses it. Free, no account required.
ALERTS