Phoenix
 
Data courtesy of:
 

AQI Forecast - http://www.epa.gov/airnow/today/forecast_aqi_20140424_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)
80 
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
80 
Moderate
Particles (PM10)
34 
Good
Particles (PM2.5)
30 
Good
Carbon Monoxide
10 
Good
Ozone
54 
Moderate
Particles (PM10)
52 
Moderate
Particles (PM2.5)
45 
Good
Carbon Monoxide
Good
Forecast Discussion: The models have been pretty consistent with the next weather system slated to impact our forecast area later Friday through Saturay. Winds will increase out of the southwest between 10 and 20 mph Friday afternoon. There's a little break overnight, but winds will pickup again around noon on Saturday, gusting around 25 mph at times. Wednesday's episode did trigger some dust across part of the Valley with many monitors reaching the lower Moderate range of the Air Quality Index (AQI). This will likely happen again Friday and Saturday before the winds ultimately clear the air. Expect PM10 levels to reach the middle Moderate range Saturday. Ozone concentrations will likely push well into the Moderate range today ahead of the system, aided by some import from the west. Levels improve Friday through the weekend with stronger winds, especially when the winds turn out of the northwest on Sunday. Models still project highs in the low 70s on Saturday with a slight chance for a shower or two. Amounts won't be impressive, but the desert enjoys anything wet that the sky will provide. Highs push back into the low 90s by next Tuesday. Check back on Friday for a closer look at the weekend's weather and air quality. Until then, have a good day! -J.Paul

Current Conditions
Air Quality Index (AQI)
observed at 12:00 MST
48
Good
Health Message: None
AQI - Pollutant Details
Particles (PM2.5) 48 Good
Ozone 45 Good

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Phoenix, AZ
 
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