What is the air quality trend in Nogales?

Over the past 7 days, Nogales had an average AQI of 52 based on station measurements. The worst day was 2026-07-16 with AQI 76.

How is Nogales air quality measured?

Air quality in Nogales 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 Nogales, Mexico

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

140h

PM2.5 Station

140h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	58	11–124	17.2 µg/m³	16h	1
2026-07-20	37	8–80	9.4 µg/m³	19h	2
2026-07-19	48	10–152	13.9 µg/m³	19h	2
2026-07-18	51	21–147	14.7 µg/m³	22h	1
2026-07-17	55	18–237	21.7 µg/m³	21h	2
2026-07-16	76	4–383	37.1 µg/m³	22h	2
2026-07-15	42	9–70	10.7 µg/m³	21h	2

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