San Tan Valley
 
Data courtesy of:
 

AQI Forecast - http://www.epa.gov/airnow/today/forecast_aqi_20140724_co_ut_az_nm.jpg
 
Legend: National Parks/Monuments National Parks/Monuments     Legend: Tribal Boundaries Tribal Boundaries
The tribal boundaries shown here are provided by the Bureau of Indian Affairs and are intended to be used as a general spatial reference only. They are not a formal determination of tribal boundaries by the EPA.
 - http://www.epa.gov/airnow/today/cur_aqi_co_ut_az_nm.jpg
 
Legend: National Parks/Monuments National Parks/Monuments     Legend: Tribal Boundaries Tribal Boundaries
The tribal boundaries shown here are provided by the Bureau of Indian Affairs and are intended to be used as a general spatial reference only. They are not a formal determination of tribal boundaries by the EPA.
AQI Animation - http://www.epa.gov/airnow/today/anim_aqi_co_ut_az_nm.gif
 
Legend: National Parks/Monuments National Parks/Monuments     Legend: Tribal Boundaries Tribal Boundaries
The tribal boundaries shown here are provided by the Bureau of Indian Affairs and are intended to be used as a general spatial reference only. They are not a formal determination of tribal boundaries by the EPA.
 
AQI: Good (0 - 50) AQI: Moderate (51 - 100) AQI: Unhealthy for Sensitive Groups (101 - 150) AQI: Unhealthy (151 - 200) AQI: Very Unhealthy (201 - 300) AQI: Hazardous(301 - 500) Action DayAction Day
 
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ADEQ Contact Information
ADEQ Regional Haze and Visibility
American Lung Association (ALA) of Arizona
Arizona Department of Environmental Quality Air Quality Division
Clean Air Make More - Maricopa County
Air Quality Forecast
Today's High Tomorrow's High
Air Quality Index (AQI)
47 
Good
Health Message: None
Air Quality Index (AQI)
49 
Good
Health Message: None
AQI - Pollutant Details
Particles (PM10)
47 
Good
Particles (PM10)
49 
Good
Forecast Discussion: Updated Wednesday, July 23, 2014 11:25 a.m. ** PM10 HEALTH WATCH IN EFFECT WEDNESDAY, JULY 23, 2014 ** Mid level atmospheric moisture had made a return to the area today thanks to storm activity yesterday to our south and east. Storm development over the mountains to the north and east this afternoon with favorable steering flow will help move the storms off of the mountains and down into the valley locations of central Pinal County. Strong outflow winds (gusts to 30-35 mph) will create areas of blowing dust which will help the PM10 levels rise towards the health standard today. Therefore the PM10 Health Watch for today remains in effect. Anyone with respiratory and/or heart ailments should remain indoors during the mid/late afternoon and early evening hours when the winds and blowing dust will be at their peak. Thursday will feature less storm development and less winds and lower PM10 levels. Friday will pose the next threat for storm development and associated blowing dust. Thus the PM10 AQI forecast for Friday is slightly elevated when compared to Thursday’s forecast. Check back on Thursday to see if Friday’s PM10 forecast has changed. The ozone levels should remain in the upper range of the good AQI category the next several days. Forecaster – S. DiBiase

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