Phoenix
 
Data courtesy of:
 

AQI Forecast - http://www.epa.gov/airnow/today/forecast_aqi_20150522_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
Gila River Indian Community DEQ Air Quality Program
Air Quality Forecast
Today's High Tomorrow's High
Air Quality Index (AQI)
60 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
Air Quality Index (AQI)
74 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
AQI - Pollutant Details
Ozone
60 
Moderate
Particles (PM10)
32 
Good
Particles (PM2.5)
24 
Good
Carbon Monoxide
Good
Ozone
74 
Moderate
Particles (PM10)
32 
Good
Particles (PM2.5)
26 
Good
Carbon Monoxide
Good
Forecast Discussion: The afternoon temperature reached up to 93?F yesterday, but with a trough moving into the region, temperatures will now begin another cooling trend. No rain will be associated with the passage of this trough; however, the trough will create breezy winds today and tomorrow. Ozone concentrations improved slightly yesterday with increased ventilation. With the strongest winds of the week anticipated today, ventilation will be even better, helping to lower ozone concentrations further. While ozone is expected to improve, Moderate levels are likely to continue. After today, ozone concentrations will again rise due to clear skies and weaker winds. The other pollutants are forecast to stay in the Good range through the forecast period. Check back on Friday for a closer look at the weekend's weather and air quality. Until then, have a good day! –R.Nicoll

Current Conditions
Air Quality Index (AQI)
observed at 4:00 MST
24
Good
Health Message: None
AQI - Pollutant Details
Particles (PM10) 24 Good
Particles (PM2.5) 23 Good

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Phoenix, AZ
 
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