What is the air quality trend in Mexico City?

Over the past 15 days, Mexico City had an average AQI of 57 based on station measurements. The worst day was 2026-08-05 with AQI 114.

How is Mexico City air quality measured?

Air quality in Mexico City is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Mexico City, Mexico

Name: Mexico City Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Mexico City, Mexico.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

330h

PM2.5 Station

330h · 7 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	48	41–56	12.0 µg/m³	3h	12
2026-08-07	45	30–68	11.3 µg/m³	21h	12
2026-08-06	102	28–157	36.2 µg/m³	24h	8
2026-08-05	114	54–166	42.7 µg/m³	24h	8
2026-08-04	70	39–129	21.2 µg/m³	24h	10
2026-08-03	52	30–131	14.3 µg/m³	24h	9
2026-08-02	44	28–63	10.7 µg/m³	24h	12
2026-08-01	47	29–75	12.1 µg/m³	24h	13
2026-07-31	50	28–107	13.2 µg/m³	24h	13
2026-07-30	50	31–77	13.2 µg/m³	24h	10
2026-07-29	44	10–153	11.7 µg/m³	24h	12
2026-07-28	51	27–210	17.6 µg/m³	24h	14
2026-07-27	46	29–71	11.6 µg/m³	24h	13
2026-07-26	42	25–66	10.4 µg/m³	24h	13
2026-07-25	51	27–98	13.4 µg/m³	18h	13

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