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)
34
Good
San Tan Valley, Arizona
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.05 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.74 μg/m³
0
55
155
255
425
605+
36.76 ppb
0
55
71
86
201
201+
0.34 ppb
0
36
76
186
605
1005+
13.83 ppb
0
54
101
361
1250
2050+
0.25 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
San Tan Valley, Arizona
San Tan Valley, Arizona
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AQI 49
Good
4.50μg/m³
PM2.5
19.40μg/m³
PM10
53.31ppb
O3
0.22ppb
SO2
13.70ppb
NO2
0.25ppm
CO
AQI 58
Moderate
3.90μg/m³
PM2.5
20.87μg/m³
PM10
56.88ppb
O3
0.19ppb
SO2
13.26ppb
NO2
0.26ppm
CO
AQI 51
Moderate
3.03μg/m³
PM2.5
9.93μg/m³
PM10
55.18ppb
O3
0.21ppb
SO2
13.48ppb
NO2
0.25ppm
CO
AQI 91
Moderate
29.17μg/m³
PM2.5
136.27μg/m³
PM10
56.56ppb
O3
0.21ppb
SO2
13.23ppb
NO2
0.26ppm
CO
AQI 51
Moderate
3.17μg/m³
PM2.5
8.27μg/m³
PM10
55.11ppb
O3
0.22ppb
SO2
13.55ppb
NO2
0.25ppm
CO
AQI 51
Moderate
3.68μg/m³
PM2.5
14.64μg/m³
PM10
55.14ppb
O3
0.24ppb
SO2
14.50ppb
NO2
0.21ppm
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 03:00:00 on 2025-09-04.
In the last 24 hrs, the best air quality in San Tan Valley, Arizona was observed at 02:00:00 on 2025-09-04.
The current air quality in San Tan Valley, Arizona is 48, categorized as Good based on real-time data.
The most common pollutant in San Tan Valley, Arizona is O3.
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 6.147 μg/m3.
The current PM10 concentration at San Tan Valley, Arizona is 27.184 μg/m3.
The current carbon monoxide (CO) concentration at San Tan Valley, Arizona is 0.255 ppm.
The current sulfur dioxide (SO2) concentration at San Tan Valley, Arizona is 0.213 ppb.
The current ozone (O3) concentration at San Tan Valley, Arizona is 51.899 ppm.
The current nitrogen dioxide (NO2) concentration at San Tan Valley, Arizona is 13.621 ppb.
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