What is the air quality trend in San Miguel Topilejo?

Over the past 8 days, San Miguel Topilejo had an average AQI of 47 based on station measurements. The worst day was 2026-07-15 with AQI 55.

How is San Miguel Topilejo air quality measured?

Air quality in San Miguel Topilejo 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 Miguel Topilejo, Mexico

Name: San Miguel Topilejo 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 Miguel Topilejo, Mexico.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 15 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	48	38–56	11.8 µg/m³	4h	10
2026-07-21	53	25–118	14.4 µg/m³	23h	7
2026-07-20	45	21–117	11.9 µg/m³	23h	9
2026-07-19	46	27–74	11.6 µg/m³	24h	8
2026-07-18	43	28–68	10.7 µg/m³	24h	9
2026-07-17	43	23–55	10.3 µg/m³	24h	13
2026-07-16	44	21–68	11.0 µg/m³	24h	8
2026-07-15	55	31–75	14.5 µg/m³	20h	11

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