What is the air quality trend in San Francisco de los Romo?

Over the past 8 days, San Francisco de los Romo had an average AQI of 45 based on station measurements. The worst day was 2026-06-09 with AQI 76.

How is San Francisco de los Romo air quality measured?

Air quality in San Francisco de los Romo 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 de los Romo, Mexico

Name: San Francisco de los Romo 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 de los Romo, Mexico.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

93h

PM2.5 Station

93h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	76	70–82	24.0 µg/m³	2h	1
2026-06-08	30	4–57	7.2 µg/m³	17h	1
2026-06-07	40	23–70	10.0 µg/m³	13h	1
2026-06-06	44	10–61	11.0 µg/m³	13h	1
2026-06-05	49	22–68	13.0 µg/m³	11h	1
2026-06-04	48	30–98	12.9 µg/m³	12h	1
2026-06-03	46	3–70	11.9 µg/m³	14h	1
2026-06-02	34	3–80	9.1 µg/m³	11h	1

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