Air Quality in San Tan Valley, United States

Clear
21.2°C · 21.3% humidity
21.2°
Feels 21.2°
33
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast
54 4am
34
54
33 7am
12
16
19 10am
28
30
31 1pm
32
33
33 4pm
33
53
54 7pm
54
54
54 10pm
54
54
54 1am
54
54
AD 728×90

Air Quality Index Trend

47h · 3 stn

San 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. Current PM2.5 concentration in San Tan Valley is 1.6× the WHO annual guideline of 5 µg/m³.

21.3%
Humidity
24.4 km/h
Wind SE
1008.9 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
33
8.04 µg/m³
PM10▲
38
41.2 µg/m³
050100150200300500

What is the weather forecast for San Tan Valley?

Temperature & Precipitation

PM2.5 Trend

47h · 3 stations
PM2.58.04 µg/m³ ✓ WHO
Good
PM1041.2 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250

What is the 7-day forecast for San Tan Valley?

05-29
41.0° 21.2°
05-30
33.9° 20.9°
05-31
38.1° 25.5°
06-01
40.0° 23.4°
06-02
38.9° 24.1°
0.13 mm
06-03
39.1° 21.0°
06-04
38.0° 22.5°
Both models agree Avg diff: 2.1°C

What cities are near San Tan Valley?

35 Queen Creek 33 Apache Junction 22 Gilbert 21 Chandler 23 Mesa 23 Casa Grande 21 Tempe 20 Ahwatukee Foothills 20 Tempe Junction 28 Eloy
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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 2026-05-29T14:30 UTC.