Phoenix
 
Data courtesy of:
 

AQI Forecast - http://www.epa.gov/airnow/today/forecast_aqi_20141123_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)
52 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
Air Quality Index (AQI)
80 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
AQI - Pollutant Details
Particles (PM10)
52 
Moderate
Particles (PM2.5)
51 
Moderate
Ozone
40 
Good
Carbon Monoxide
14 
Good
Particles (PM2.5)
80 
Moderate
Particles (PM10)
56 
Moderate
Ozone
38 
Good
Carbon Monoxide
22 
Good
Forecast Discussion: The arrival of Winter is quite evident from looking at the air quality yesterday. PM2.5 hit an AQI of 82 at South Phoenix! This is particularly due to the Mulch fire currently burning in West Valley and the increasing number of active fireplaces! The mulch fire is expected to last for several days this week and can potentially increase PM2.5 levels into exceedance levels by midweek. Looking forward, today should be a relatively quiet day for the most part due to the strong upper-level winds providing excellent ventilation. Although winds around 10mph can potentially create isolated pockets of dust around Maricopa County today, it should not lead to any full blown dust storm activity. By Monday, a strong ridge associated with a high pressure system will move over the West Coast bringing sunny skies and warmer temperatures. The daytime highs should reach the upper 70s by Thursday and PM10 levels should remain in the lower Moderates. Check back tomorrow for more. Until then, have a good day! -P.Patel

Current Conditions
Air Quality Index (AQI)
observed at 11:00 MST
89
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
AQI - Pollutant Details
Particles (PM2.5) 89 Moderate

Past Air Quality Maps and Data
Yesterday's Maps and Data
Air Quality Maps Archives (by region)

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Phoenix, AZ
 
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