What is the air quality trend in Chihuahua?

Over the past 8 days, Chihuahua had an average AQI of 45 based on station measurements. The worst day was 2026-07-17 with AQI 55.

How is Chihuahua air quality measured?

Air quality in Chihuahua 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 Chihuahua, Mexico

Name: Chihuahua Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Chihuahua, Mexico.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

148h

PM2.5 Station

148h · 2 stations

Temperature GFS model

27pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	35	19–71	9.2 µg/m³	5h	2
2026-07-21	48	6–119	13.0 µg/m³	22h	2
2026-07-20	45	17–74	11.9 µg/m³	20h	2
2026-07-19	41	18–70	10.5 µg/m³	21h	2
2026-07-18	43	8–65	11.1 µg/m³	21h	2
2026-07-17	55	5–187	18.9 µg/m³	19h	2
2026-07-16	47	13–147	13.1 µg/m³	24h	3
2026-07-15	51	17–121	14.4 µg/m³	16h	2

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