What is the air quality trend in Nogales?

Over the past 15 days, Nogales had an average AQI of 44 based on station measurements. The worst day was 2026-08-04 with AQI 81.

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

221h

PM2.5 Station

221h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	49	49–49	11.7 µg/m³	1h	2
2026-08-07	55	21–117	16.2 µg/m³	16h	1
2026-08-06	35	16–65	9.1 µg/m³	9h	1
2026-08-05	29	4–65	7.5 µg/m³	16h	1
2026-08-04	81	13–500	50.3 µg/m³	16h	1
2026-08-03	45	10–128	13.4 µg/m³	18h	1
2026-08-02	46	25–72	11.4 µg/m³	14h	1
2026-08-01	40	19–87	10.4 µg/m³	16h	1
2026-07-31	37	14–84	9.5 µg/m³	17h	1
2026-07-30	36	17–78	9.1 µg/m³	17h	1
2026-07-29	43	14–132	12.2 µg/m³	18h	1
2026-07-28	50	17–125	14.0 µg/m³	17h	1
2026-07-27	51	7–84	14.0 µg/m³	17h	1
2026-07-26	41	5–134	11.7 µg/m³	14h	1
2026-07-25	31	16–55	7.6 µg/m³	15h	1

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