What is the air quality trend in San Francisco Tlalcilalcalpan?

Over the past 8 days, San Francisco Tlalcilalcalpan had an average AQI of 37 based on station measurements. The worst day was 2026-05-24 with AQI 47.

How is San Francisco Tlalcilalcalpan air quality measured?

Air quality in San Francisco Tlalcilalcalpan 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 Francisco Tlalcilalcalpan, Mexico

Name: San Francisco Tlalcilalcalpan 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 Francisco Tlalcilalcalpan, Mexico.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

90h

PM2.5 Station

90h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	25	3–61	6.4 µg/m³	7h	1
2026-05-28	34	10–89	8.8 µg/m³	17h	1
2026-05-27	36	8–64	8.9 µg/m³	16h	1
2026-05-26	39	21–76	9.9 µg/m³	12h	1
2026-05-25	46	21–82	12.4 µg/m³	11h	1
2026-05-24	47	23–119	13.1 µg/m³	11h	1
2026-05-23	38	21–79	9.7 µg/m³	11h	1
2026-05-22	36	30–44	8.5 µg/m³	5h	1

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