Air Quality in San Tan Valley, United States
Clear
39.6°C · 22.9% humidity
39.6°
Feels 39.6°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
San Tan Valley's air quality — share it
AQI Forecast
27
7am
25
27
26
10am
27
27
34
1pm
34
34
54
4pm
54
54
54
7pm
54
54
54
10pm
54
34
34
1am
34
34
34
4am
27
25
Air Quality Index Trend
46h · 3 stnSan Tan Valley's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
22.9%
Humidity
32.2 km/h
Wind WNW
1004.0 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
6.2 µg/m³
PM10▲
41.2 µg/m³
050100150200300500
What is the weather forecast for San Tan Valley?
Temperature & Precipitation
PM2.5 Trend
46h · 3 stationsPM2.56.2 µg/m³
✓ WHO
Good
PM1041.2 µg/m³
Good
UV INDEX17.4
Extreme
What is the 7-day forecast for San Tan Valley?
07-21
39.6° 31.7°
0.06 mm
07-22
43.0° 31.7°
0.06 mm
07-23
39.4° 28.4°
0.81 mm
07-24
41.4° 31.5°
0.38 mm
07-25
41.1° 32.1°
3.75 mm
07-26
39.4° 31.7°
0.13 mm
07-27
39.3° 28.8°
0.56 mm
Both models agree
Avg diff: 3.0°C
What cities are near San Tan Valley?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T17:16 UTC.