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Mexico & Central America

Air quality in Mexico

Capital: Mexico CitySpanishUpdated October 2026
17µg/m³ national average

Air quality in Mexico

People in Mexico breathe an average of 17 µg/m³ of PM2.5 (2023), 3× the WHO guideline. Polluted.

Air quality by place in Mexico

Measured annual averages from the WHO Ambient Air Quality Database.

PlacePM2.5YearLevel
Guanajuato11 µg/m³2018Moderate
San Miguel de Allende12 µg/m³2018Moderate
Querétaro13 µg/m³2018Moderate
Mérida14.6 µg/m³2015Moderate
Cuernavaca15.3 µg/m³2022Polluted
Morelia16.4 µg/m³2020Polluted
Puebla19 µg/m³2018Polluted
Tijuana20 µg/m³2018Polluted
Mexico City22 µg/m³2016Polluted
Oaxaca22 µg/m³2018Polluted
Monterrey23 µg/m³2018Polluted
Guadalajara25 µg/m³2018Polluted

Air quality by place

Sources

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