Phoenix
 
Data and Forecasts courtesy of:
 

AQI Forecast - https://files.airnowtech.org/airnow/today/forecast_aqi_20170429_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: Good (0 - 50)
Air quality is considered satisfactory, and air pollution poses little or no risk.
AQI: Moderate (51 - 100) AQI: Moderate (51 - 100)
Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.
AQI: Unhealthy for Sensitive Groups (101 - 150) AQI: Unhealthy for Sensitive Groups (101 - 150)
Although general public is not likely to be affected at this AQI range, people with lung disease, older adults and children are at a greater risk from exposure to ozone, whereas persons with heart and lung disease, older adults and children are at greater risk from the presence of particles in the air.
AQI: Unhealthy (151 - 200) AQI: Unhealthy (151 - 200)
Everyone may begin to experience health effects members of sensitive groups may experience more serious health effects.
 AQI:Very Unhealthy (201 - 300) AQI: Very Unhealthy (201 - 300)
Health alert: everyone may experience more serious health effects.
AQI: Hazardous(301 - 500) AQI: Hazardous (301 - 500)
Health warnings of emergency conditions. The entire population is more likely to be affected.
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
 
Data and Forecasts courtesy of:
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)
101 
Unhealthy for Sensitive Groups
Health Message: Active children and adults, and people with lung disease, such as asthma, should reduce prolonged or heavy exertion outdoors.
ACTION DAY
AQI - Pollutant Details
Ozone
80 
Moderate
Particles (PM10)
51 
Moderate
Particles (PM2.5)
26 
Good
Ozone
101 
Unhealthy for Sensitive Groups
Particles (PM10)
48 
Good
Particles (PM2.5)
25 
Good
Forecast Discussion: There will be gusty winds today due to a trough pushing through the region. This will keep ozone from accumulating too much, but it may also kick up some dust. Strongest winds are forecast to be this afternoon with gusts over 30 mph out of the northwest. The National Weather Service has issued a Red Flag Warning for today due to the high fire danger from these dry, windy conditions. Winds will weaken after today as a ridge begins building in over the region. This will cause ozone concentrations to increase through the weekend and into next week. For this forecast period, there will be potential for ozone to exceed the federal health standard Sunday through Tuesday. Therefore, an ozone High Pollution Advisory is valid for Sunday with potential HPA's for Monday and Tuesday. The lighter winds should allow PM-10 to drop back into the Good range by Sunday, while PM-2.5 should stay in the Good range through the entire forecast period. We no longer regularly issue a forecast on Sunday, however, we will be updating the forecast this Sunday due to the potential HPA on Monday. Until then, have a great weekend! –R. Nicoll Last Update: Friday, April 28, 2017, 8:39 AM

Current Conditions
Air Quality Index (AQI)
observed at 19:00 MST
46
Good
Health Message: None
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 46 Good
Particles (PM10) 39 Good
Particles (PM2.5) 18 Good

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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