Air quality · North America

Air quality in Mexico today

Right now the most polluted of the 22 Mexico cities we cover is Mexico City at AQI 122 (Unhealthy for sensitive groups); the cleanest is Hermosillo at 16.

US EPA AQI, modelled from the CAMS forecast. Refreshed 3 Nov, 07:52 UTC+0.

Cities in Mexico, worst air first

US AQI now in Mexico
#	City	AQI	Category	Population
1	Mexico City Capital	122	Sensitive groups	12 m people
2	Ecatepec de Morelos México	122	Sensitive groups	1.6 m people
3	Querétaro	88	Moderate	1.6 m people
4	Morelia Michoacán	80	Moderate	0.7 m people
5	Puebla	74	Moderate	1.7 m people
6	Zapopan Jalisco	73	Moderate	1.5 m people
7	Mexicali Baja California	65	Moderate	1.0 m people
8	Aguascalientes	62	Moderate	0.7 m people
9	Tijuana Baja California	60	Moderate	1.9 m people
10	San Luis Potosí	56	Moderate	0.7 m people
11	Monterrey Nuevo León	55	Moderate	1.1 m people
12	Culiacán Sinaloa	55	Moderate	0.8 m people
13	Mérida Yucatán	54	Moderate	1.2 m people
14	Tuxtla Chiapas	53	Moderate	0.6 m people
15	Acapulco de Juárez Guerrero	52	Moderate	0.7 m people
16	León Guanajuato	44	Good	1.6 m people
17	Saltillo Coahuila	43	Good	0.7 m people
18	Cancún Quintana Roo	31	Good	0.9 m people
19	Ciudad Juárez Chihuahua	27	Good	1.5 m people
20	Torreón Coahuila	19	Good	0.7 m people
21	Chihuahua	16	Good	0.9 m people
22	Hermosillo Sonora	16	Good	0.8 m people

Good 0–50
Moderate 51–100
Unhealthy for sensitive groups 101–150
Unhealthy 151–200
Very unhealthy 201–300
Hazardous 301–500

Each city’s value is the CAMS model at the city’s coordinates, scored on the US EPA AQI. It is an estimate, not a station reading. How we calculate it.

Cities in Mexico, worst air first

More of North America