Arizona Department of Environmental Quality
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Portable Particulate Monitors
       
The Arizona Department of Environmental Quality (ADEQ) operates a network of Portable Particulate Monitors across Arizona. These monitors record hourly average concentrations of particulates which have been linked to health and visibility concerns.

The purpose of this web page is to provide to the public in near real time data recorded by the Portable Particulate Monitor Network. Hourly averages are color-coded based on the EPA Air Quality Index (AQI) scale, though strictly speaking the AQI is defined for a daily value.

Click on a location name below or a colored square on the map to the right to access data for that monitoring station in a new window. The default data graph will present the current day's data, but all historical data can be accessed through the selection tools below the graph.

For more information about this network contact:

Bernard Lum, Monitoring Unit Manager
Air Quality Division
(602) 771-2364
Bernard.Lum@azdeq.gov
LocationPollutantPM Conc.Current AQI*
FlagstaffPM100Good
CottonwoodPM105Good
PrescottPM1016Good
SedonaPM102Good
Show LowPM102Good
SpringervillePM103Good
Green Valley PM10PM10
Green Valley PM25PM25
*The current AQI is based on the most recent hourly concentration.
Disclaimer:
Warning:  These data have been obtained from automated instruments and have not been subjected to a quality assurance review to determine their accuracy.  They are presented for public awareness and should not be considered final.  Conditions such as power outages and equipment malfunctions can produce invalid data.