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)
24
Good
Oro Valley, Arizona
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.36 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.24 μg/m³
0
55
155
255
425
605+
26.30 ppb
0
55
71
86
201
201+
0.34 ppb
0
36
76
186
605
1005+
13.02 ppb
0
54
101
361
1250
2050+
0.22 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 42
Good
2.62μg/m³
PM2.5
11.29μg/m³
PM10
44.77ppb
O3
0.26ppb
SO2
4.13ppb
NO2
0.16ppm
CO
AQI 41
Good
3.82μg/m³
PM2.5
12.35μg/m³
PM10
44.20ppb
O3
0.26ppb
SO2
4.14ppb
NO2
0.16ppm
CO
AQI 42
Good
2.41μg/m³
PM2.5
9.95μg/m³
PM10
44.80ppb
O3
0.26ppb
SO2
4.13ppb
NO2
0.16ppm
CO
AQI 41
Good
4.17μg/m³
PM2.5
10.52μg/m³
PM10
44.20ppb
O3
0.26ppb
SO2
4.14ppb
NO2
0.16ppm
CO
AQI 51
Moderate
1.93μg/m³
PM2.5
21.36μg/m³
PM10
55.43ppb
O3
0.23ppb
SO2
4.14ppb
NO2
0.14ppm
CO
AQI 52
Moderate
9.83μg/m³
PM2.5
43.84μg/m³
PM10
43.87ppb
O3
0.26ppb
SO2
4.09ppb
NO2
0.16ppm
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 02:00:00 on 2025-09-04.
In the last 24 hrs, the best air quality in Oro Valley, Arizona was observed at 01:00:00 on 2025-09-04.
The current air quality in Oro Valley, Arizona is 42, categorized as Good based on real-time data.
The most common pollutant in Oro Valley, Arizona is O3.
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 3.929 μg/m3.
The current PM10 concentration at Oro Valley, Arizona is 18.487 μg/m3.
The current carbon monoxide (CO) concentration at Oro Valley, Arizona is 0.16 ppm.
The current sulfur dioxide (SO2) concentration at Oro Valley, Arizona is 0.237 ppb.
The current ozone (O3) concentration at Oro Valley, Arizona is 44.79 ppm.
The current nitrogen dioxide (NO2) concentration at Oro Valley, Arizona is 5.121 ppb.
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