Phoenix
 
Data courtesy of:
 

AQI Forecast - http://www.epa.gov/airnow/today/forecast_aqi_20141031_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)
50 
Good
Health Message: None
Data Not Available
AQI - Pollutant Details
Particles (PM2.5)
50 
Good
Ozone
46 
Good
Particles (PM10)
43 
Good
Carbon Monoxide
14 
Good
Data Not Available
Forecast Discussion: Fall weather is on the way! A Pacific Low is still scheduled to impact the region this weekend. At this time, a significant drop in temps and an increase in winds will be the most noticeable effects, but there is even now a chance for instability showers as the cold front passes late Saturday. The weather models seem to be trending stronger with the storm allowing afternoon temps to tank about 20 degrees from Friday’s low 90s into the low 70s by Sunday! Before that happens, widespread stronger winds at the surface on Saturday (gusting 20+ mph) over the Southwest deserts may become an issue regarding long-range transport of dust. Future weather model runs should give better insight on details of the storm, particularly wind speeds. For now, PM-10 was raised into the lower Moderate AQI to account for the possibility of blowing dust. Additionally, ozone could see a small increase as the trough of low-pressure transports ozone precursors into the area. With the main event holding off until Saturday, weather conditions for any Halloween festivities tomorrow won’t be “haunting”; just warm and dry. Check back on Friday for a closer look at the weekend's weather and air quality. Until then, have a good day! -J.Malloy

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Data Not Available

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Phoenix, AZ
 
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