What is the air quality trend in Oro Valley?

Over the past 8 days, Oro Valley had an average AQI of 48 based on station measurements. The worst day was 2026-08-08 with AQI 114.

How is Oro Valley air quality measured?

Air quality in Oro Valley 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 Oro Valley, United States

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

Historical PM2.5 and AQI trend from monitoring stations near Oro Valley, United States.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

144h

PM2.5 Station

144h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	114	29–408	84.8 µg/m³	5h	3
2026-08-07	48	18–91	12.9 µg/m³	21h	3
2026-08-06	39	13–67	9.6 µg/m³	21h	3
2026-08-05	57	17–336	26.4 µg/m³	18h	3
2026-08-04	31	12–60	7.5 µg/m³	21h	2
2026-08-03	26	15–49	6.1 µg/m³	22h	3
2026-08-02	36	17–100	9.3 µg/m³	21h	3
2026-08-01	36	10–55	8.6 µg/m³	15h	2

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