Stay updated with real-time air quality in San Tan 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)
33
Good
San Tan Valley, Arizona
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.16 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
27.62 μg/m³
0
55
155
255
425
605+
13.52 ppb
0
55
71
86
201
201+
0.74 ppb
0
36
76
186
605
1005+
7.05 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
San Tan Valley, Arizona
San Tan Valley, Arizona
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AQI 16
Good
3.31μg/m³
PM2.5
16.50μg/m³
PM10
14.61ppb
O3
0.76ppb
SO2
6.50ppb
NO2
0.15ppm
CO
AQI 38
Good
6.71μg/m³
PM2.5
26.95μg/m³
PM10
15.27ppb
O3
0.73ppb
SO2
6.17ppb
NO2
0.14ppm
CO
AQI 15
Good
2.43μg/m³
PM2.5
16.36μg/m³
PM10
15.60ppb
O3
0.75ppb
SO2
6.57ppb
NO2
0.15ppm
CO
AQI 22
Good
3.56μg/m³
PM2.5
17.19μg/m³
PM10
14.24ppb
O3
0.74ppb
SO2
6.30ppb
NO2
0.15ppm
CO
AQI 28
Good
3.10μg/m³
PM2.5
30.26μg/m³
PM10
15.80ppb
O3
0.76ppb
SO2
6.60ppb
NO2
0.15ppm
CO
AQI 14
Good
2.44μg/m³
PM2.5
11.41μg/m³
PM10
14.60ppb
O3
0.79ppb
SO2
6.66ppb
NO2
0.13ppm
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 San Tan Valley, Arizona is updated every hour.
The worst air quality in San Tan Valley, Arizona in the last 24 hours was observed at 04:00:00 on 2026-09-07.
In the last 24 hrs, the best air quality in San Tan Valley, Arizona was observed at 10:00:00 on 2026-09-07.
The current air quality in San Tan Valley, Arizona is 33, categorized as Good based on real-time data.
The most common pollutant in San Tan Valley, Arizona is PM2.5.
If the air quality in San Tan Valley, Arizona is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at San Tan Valley, Arizona is 6.163 μg/m3.
The current PM10 concentration at San Tan Valley, Arizona is 27.621 μg/m3.
The current carbon monoxide (CO) concentration at San Tan Valley, Arizona is 0.154 ppm.
The current sulfur dioxide (SO2) concentration at San Tan Valley, Arizona is 0.738 ppb.
The current ozone (O3) concentration at San Tan Valley, Arizona is 13.52 ppm.
The current nitrogen dioxide (NO2) concentration at San Tan Valley, Arizona is 7.047 ppb.
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