What is the air quality trend in San Martín Cuautlalpan?

Over the past 8 days, San Martín Cuautlalpan had an average AQI of 46 based on station measurements. The worst day was 2026-07-15 with AQI 56.

How is San Martín Cuautlalpan air quality measured?

Air quality in San Martín Cuautlalpan 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 San Martín Cuautlalpan, Mexico

Name: San Martín Cuautlalpan Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near San Martín Cuautlalpan, Mexico.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 4 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	49	33–75	13.5 µg/m³	5h	8
2026-07-21	53	15–98	14.8 µg/m³	24h	7
2026-07-20	39	25–65	9.7 µg/m³	22h	9
2026-07-19	45	20–67	11.2 µg/m³	24h	8
2026-07-18	44	23–73	11.0 µg/m³	24h	9
2026-07-17	42	24–57	10.2 µg/m³	24h	12
2026-07-16	45	31–63	11.0 µg/m³	24h	8
2026-07-15	56	34–70	14.8 µg/m³	18h	11

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