Phoenix
 
Data courtesy of:
 

AQI Forecast - http://www.epa.gov/airnow/today/forecast_aqi_20140417_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)
61 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
Air Quality Index (AQI)
54 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
AQI - Pollutant Details
Ozone
61 
Moderate
Particles (PM10)
48 
Good
Particles (PM2.5)
38 
Good
Carbon Monoxide
Good
Ozone
54 
Moderate
Particles (PM10)
51 
Moderate
Particles (PM2.5)
41 
Good
Carbon Monoxide
Good
Forecast Discussion: Mild weather and some afternoon breezes are expected today. Starting tomorrow afternoon, cloud cover increases ahead of a low-pressure circulation entering southern California. The system will cross over Arizona Friday and Saturday bringing a chance of showers and isolated thunderstorms. The higher terrain east and north of Phoenix has the best shot for measurable rainfall, but can’t rule out trace amounts even in the deserts as the low circulation passes overhead. Where thunderstorms do pop up, localized blowing dust from outflows could result, leading to higher PM-10 values. High temperatures will take a dive into the mid 80s under mostly cloudy skies on Friday, which may actually limit instability for thunderstorm development. Also, many monitors are beginning to observe elevated readings for ozone into the Moderate range and this will continue for the rest of the week. Have a nice day and check back tomorrow for an updated forecast! -J. Malloy

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Phoenix, AZ
 
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