What is the air quality trend in Apache Junction?

Over the past 7 days, Apache Junction had an average AQI of 41 based on station measurements. The worst day was 2026-07-16 with AQI 56.

How is Apache Junction air quality measured?

Air quality in Apache Junction 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 Apache Junction, United States

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

Historical PM2.5 and AQI trend from monitoring stations near Apache Junction, United States.

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 4 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	30	17–50	7.2 µg/m³	23h	8
2026-07-20	36	18–65	8.8 µg/m³	23h	9
2026-07-19	42	22–96	10.9 µg/m³	24h	9
2026-07-18	40	23–101	10.9 µg/m³	23h	9
2026-07-17	56	20–166	19.1 µg/m³	24h	9
2026-07-16	56	21–146	17.0 µg/m³	24h	10
2026-07-15	29	21–44	6.9 µg/m³	24h	9

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