Stay updated with real-time air quality in Oro Valley, Arizona featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
52
Moderate
Oro Valley, Arizona
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.77 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
41.81 μg/m³
0
55
155
255
425
605+
27.13 ppb
0
55
71
86
201
201+
0.27 ppb
0
36
76
186
605
1005+
18.51 ppb
0
54
101
361
1250
2050+
0.40 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Oro Valley, Arizona
Oro Valley, Arizona
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AQI 52
Moderate
9.66μg/m³
PM2.5
42.22μg/m³
PM10
28.36ppb
O3
0.50ppb
SO2
21.07ppb
NO2
0.40ppm
CO
AQI 52
Moderate
9.98μg/m³
PM2.5
42.00μg/m³
PM10
27.50ppb
O3
0.49ppb
SO2
21.20ppb
NO2
0.40ppm
CO
AQI 52
Moderate
10.49μg/m³
PM2.5
46.24μg/m³
PM10
27.61ppb
O3
0.50ppb
SO2
21.06ppb
NO2
0.40ppm
CO
AQI 52
Moderate
10.26μg/m³
PM2.5
40.70μg/m³
PM10
27.77ppb
O3
0.50ppb
SO2
21.18ppb
NO2
0.40ppm
CO
AQI 33
Good
5.71μg/m³
PM2.5
16.79μg/m³
PM10
30.00ppb
O3
0.50ppb
SO2
20.59ppb
NO2
0.40ppm
CO
AQI 54
Moderate
10.71μg/m³
PM2.5
47.31μg/m³
PM10
25.90ppb
O3
0.49ppb
SO2
21.03ppb
NO2
0.40ppm
CO
Air quality data and pollutant measurements for Arizona, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Oro Valley, Arizona is updated every hour.
The worst air quality in Oro Valley, Arizona in the last 24 hours was observed at 12:00:00 on 2026-06-08.
In the last 24 hrs, the best air quality in Oro Valley, Arizona was observed at 01:00:00 on 2026-06-07.
The current air quality in Oro Valley, Arizona is 52, categorized as Moderate based on real-time data.
The most common pollutant in Oro Valley, Arizona is PM2.5.
If the air quality in Oro Valley, Arizona is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Oro Valley, Arizona is 9.769 μg/m3.
The current PM10 concentration at Oro Valley, Arizona is 41.812 μg/m3.
The current carbon monoxide (CO) concentration at Oro Valley, Arizona is 0.4 ppm.
The current sulfur dioxide (SO2) concentration at Oro Valley, Arizona is 0.27 ppb.
The current ozone (O3) concentration at Oro Valley, Arizona is 27.125 ppm.
The current nitrogen dioxide (NO2) concentration at Oro Valley, Arizona is 18.508 ppb.
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