What is the air quality trend in San Rafael Tlanalapan?

Over the past 8 days, San Rafael Tlanalapan had an average AQI of 40 based on station measurements. The worst day was 2026-10-21 with AQI 55.

How is San Rafael Tlanalapan air quality measured?

Air quality in San Rafael Tlanalapan 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 Rafael Tlanalapan, Mexico

Name: San Rafael Tlanalapan 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 Rafael Tlanalapan, Mexico.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

142h

PM2.5 Station

142h · 4 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	55	22–173	20.3 µg/m³	9h	2
2026-10-20	48	13–141	14.1 µg/m³	24h	2
2026-10-19	39	5–148	11.1 µg/m³	19h	2
2026-10-18	24	6–79	6.1 µg/m³	22h	2
2026-10-17	37	18–61	9.1 µg/m³	21h	2
2026-10-16	48	13–252	19.9 µg/m³	17h	2
2026-10-15	37	9–72	9.9 µg/m³	18h	2
2026-10-14	36	18–62	8.9 µg/m³	12h	2

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