Phoenix
 
Data courtesy of:
 

AQI Forecast - http://www.epa.gov/airnow/today/forecast_aqi_20150504_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)
56 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
Air Quality Index (AQI)
50 
Good
Health Message: None
AQI - Pollutant Details
Particles (PM10)
56 
Moderate
Ozone
48 
Good
Particles (PM2.5)
34 
Good
Carbon Monoxide
Good
Ozone
50 
Good
Particles (PM2.5)
27 
Good
Particles (PM10)
15 
Good
Carbon Monoxide
Good
Forecast Discussion: Rain, rain, rain, rain, RAIN! This morning, widespread rain fell across the Valley, with locations receiving around 0.12" to more than half an inch! Many locations recorded at least 0.2". This is significant, considering that the normal (30 year average) monthly precipitation mean for the WHOLE month of May at Sky Harbor is 0.11". Moreover, additional rain is still possible later this evening and Tuesday morning. It is therefore safe to say that PM-10 will be held down to exceptionally Good AQI values in Phoenix for a while as soils are effectively stabilized throughout and around the Valley. Over the next couple days, a small trough will swing through Arizona, followed by a much larger trough that will begin developing over the West later in the week. With this initial trough, we can expect temperatures in the low-to-mid 80s through Wednesday. Skies will likely be partly cloudy on Tuesday, clearing up more on Wednesday. Also, winds each day are forecast to be relatively breezy in the afternoons, out of the west-southwest. Ozone levels are thus expected to be kept in check as daytime winds foster dispersion/mixing. Check back tomorrow for the next air quality forecast. Until then, have a good day! -M.Graves

Current Conditions
Air Quality Index (AQI)
observed at 13:00 MST
42
Good
Health Message: None
AQI - Pollutant Details
Ozone 42 Good
Particles (PM10) 13 Good
Particles (PM2.5) 11 Good

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