What is the air quality trend in San Jerónimo Cuatro Vientos?

Over the past 8 days, San Jerónimo Cuatro Vientos had an average AQI of 39 based on station measurements. The worst day was 2026-10-14 with AQI 61.

How is San Jerónimo Cuatro Vientos air quality measured?

Air quality in San Jerónimo Cuatro Vientos 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 Jerónimo Cuatro Vientos, Mexico

Name: San Jerónimo Cuatro Vientos 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 Jerónimo Cuatro Vientos, Mexico.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 8 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	34	23–56	8.3 µg/m³	12h	14
2026-10-20	43	25–59	10.5 µg/m³	24h	15
2026-10-19	39	24–59	9.5 µg/m³	24h	14
2026-10-18	28	18–45	6.7 µg/m³	24h	13
2026-10-17	28	20–59	6.8 µg/m³	24h	13
2026-10-16	40	17–56	9.6 µg/m³	24h	13
2026-10-15	42	20–70	10.7 µg/m³	24h	12
2026-10-14	61	38–110	17.5 µg/m³	10h	15

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