Phoenix
 
Data courtesy of:
 

AQI Forecast - http://www.epa.gov/airnow/today/forecast_aqi_20141222_phoenix_az.jpg
 
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_phoenix_az.jpg
 
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_phoenix_az.gif
 
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
 
Local Air Quality Resources
Maricopa County Air Quality Department | Maricopa County Dust Forecast | Today's AQI and Forecast(AZ DEQ)
 
State Air Quality Resources
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)
78 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
Air Quality Index (AQI)
74 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
AQI - Pollutant Details
Particles (PM2.5)
78 
Moderate
Ozone
36 
Good
Particles (PM10)
35 
Good
Carbon Monoxide
18 
Good
Particles (PM2.5)
74 
Moderate
Ozone
39 
Good
Particles (PM10)
34 
Good
Carbon Monoxide
18 
Good
Forecast Discussion: A high pressure system and upper level ridge are centered off the west coast helping to protect Arizona from any significant weather. With this ridge in place, we can expect mostly stable conditions over the next few days. High temperatures should be in the upper 60's while low temperatures will reach into the lower 40's during the forecast period. The stable conditions and light winds associated with the high pressure system will help keep PM-10 concentrations in the Good range, but at the same time allows PM-2.5 concentrations to build up. This will be especially noticeable on Christmas Eve and Christmas with increased burning and cooking activity expected. Without any significant change to the weather pattern we will likely issue a PM-2.5 High Pollution Advisory on Christmas Eve and Christmas. On a more positive note, the days are now beginning to get longer, so take advantage of the extra minute of daylight today compared to yesterday! Check back tomorrow for more. Until then, have a good day! –R.Nicoll

Current Conditions
Air Quality Index (AQI)
observed at 17:00 MST
73
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
AQI - Pollutant Details
Particles (PM2.5) 73 Moderate
Particles (PM10) 17 Good

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Phoenix, AZ
 
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