Phoenix
 
Data courtesy of:
 

AQI Forecast - https://files.airnowtech.org/airnow/today/forecast_aqi_20160731_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.
 - https://files.airnowtech.org/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 - https://files.airnowtech.org/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 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
Gila River Indian Community DEQ Air Quality Program
Air Quality Forecast
Today's High Tomorrow's High
Air Quality Index (AQI)
80 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
Data Not Available
AQI - Pollutant Details
Ozone
80 
Moderate
Particles (PM10)
35 
Good
Particles (PM2.5)
56 
Moderate
Data Not Available
Forecast Discussion: Ozone in the Valley this week has really depended upon the position of the high pressure that has wobbled over the Southwest over the past several days. Two days ago, ozone significantly improved across the Valley; yesterday, ozone was locked in over Phoenix and accumulated to some of the higher levels we've seen this summer. There is some disagreement between models on where the center of the high pressure will shift today, but winds are expected to be enough today to limit ozone. Already this morning, winds have been somewhat elevated. Moreover, through at least Sunday, winds are expected to continue helping limit ozone's potential. As southern Arizona remains steeped in monsoonal moisture over the next several days, thunderstorms will be possible each afternoon/evening. In particular, models have been advertising this evening to be an active one for the Valley. If they are correct, then quite strong storm outflows are possible. Any rain following behind will help to put a stamp on blowing dust. PM-10 is forecast in the Moderate category through Sunday to account for the possibility of blowing dust each day. Check back on Friday for a closer look at the weekend's weather and air quality. Until then, have a good day! –M.Graves Last Update: Friday, July 29, 2016, 9:46 AM

Current Conditions
Air Quality Index (AQI)
observed at 2:00 MST
74
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
Note: Values above 500 are considered Beyond the AQI. Follow recommendations for the Hazardous category. Additional information on reducing exposure to extremely high levels of particle pollution is available here.
AQI - Pollutant Details
Ozone 74 Moderate
Particles (PM10) 30 Good
Particles (PM2.5) 49 Good

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Phoenix, AZ
 
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