Phoenix
 
Data courtesy of:
 

AQI Forecast - http://www.epa.gov/airnow/today/forecast_aqi_20141025_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)
53 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
Air Quality Index (AQI)
50 
Good
Health Message: None
AQI - Pollutant Details
Particles (PM10)
53 
Moderate
Particles (PM2.5)
50 
Good
Ozone
47 
Good
Carbon Monoxide
14 
Good
Particles (PM10)
50 
Good
Particles (PM2.5)
46 
Good
Ozone
45 
Good
Carbon Monoxide
14 
Good
Forecast Discussion: Light rainshowers and thunderstorms occurred last night as a cut-off low brought moisture and instability into the area. Thunderstorms caused some increased winds which did kick up some dust in some areas causing a few locations to get into the Moderate range for PM-10. The cut-off low is now located to the east which means more stable conditions; that along with decreasing moisture will inhibit any more thunderstorm development in the Phoenix area allowing PM-10 conditions to improve. Ozone saw a jump yesterday due to a shift in winds which caused a short term ozone build up, however ozone should revert back to the upper Good to lower Moderate range. With light winds expected, the PM-2.5 AQI may rise slightly topping out in the lower Moderate range by Wednesday. Check back tomorrow for the latest. Until then, have a good day! -R.Nicoll

Current Conditions
Air Quality Index (AQI)
observed at 4:00 MST
60
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
AQI - Pollutant Details
Particles (PM2.5) 60 Moderate

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