Phoenix
 
Data courtesy of:
 

AQI Forecast - http://www.epa.gov/airnow/today/forecast_aqi_20140901_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

AirNow.gov is undergoing maintenance. Updates for the forecasts and current conditions are not available between midnight and 4 am EST.

Air Quality Forecast
Today's High Tomorrow's High
Air Quality Index (AQI)
70 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
Data Not Available
AQI - Pollutant Details
Ozone
70 
Moderate
Particles (PM10)
33 
Good
Particles (PM2.5)
30 
Good
Carbon Monoxide
Good
Data Not Available
Forecast Discussion: Trying hard to hang on, the monsoon high pressure system will return later this week following over a week of relatively dry air. Dew points will increase Wednesday through Friday with popcorn showers and storms possible Thursday and Friday in the Valley. Daytime highs will remain around 106-108°F through Thursday, dropping about 3-5 degrees by Friday with increasing cloud cover and humidity. Ozone-wise, we survived a late season surge. Concentrations pushed close to the health standard Thursday through Saturday. Forecast models call for improving levels over the next several days, most likely in the lower Moderate range if not better. Particulates have increased across the deserts as well in the absence of rain. This could be a problem later in the week when thunderstorm activity gets going once again in southern Arizona. It's possible (likely?) that we will see a dust storm by Thursday or Friday. Check back tomorrow for more. Until then, have a good day! -J.Paul

Current Conditions
Data Not Available

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Phoenix, AZ
 
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