Phoenix
 
Data and Forecasts courtesy of:
 

AQI Forecast - https://files.airnowtech.org/airnow/today/forecast_aqi_20170817_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 Tomorrow
Air Quality Index (AQI)
97 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
Air Quality Index (AQI)
105 
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.
AQI - Pollutant Details
Carbon Monoxide
Good
Ozone
97 
Moderate
Particles (PM10)
37 
Good
Particles (PM2.5)
29 
Good
Carbon Monoxide
Good
Ozone
105 
Unhealthy for Sensitive Groups
Particles (PM10)
37 
Good
Particles (PM2.5)
31 
Good
Forecast Discussion: Ozone finished in the Good Air Quality Index (AQI) category around the Valley yesterday, save for one monitor in the northeast--but even that monitor (Pinnacle Peak) only recorded low Moderate ozone levels. Looking ahead, today looks to have decent ventilation as a low pressure trough remains over the region. This feature will help to limit ozone levels today; however, lighter winds should allow ozone to begin creeping up again. By Thursday, winds are forecast to become even lighter as the said trough loosens up a bit; an Ozone Health Watch is valid for Thursday. Then, by Friday, high pressure looks to dominate more--thus, an Ozone High Pollution Advisory (HPA) is possible for Friday. An ozone HPA may be extended into Saturday as well, depending on trends. Ozone looks to decrease on Sunday as another trough approaches the region. No issues are expected with particulates (PM-10 and PM-2.5). Check back tomorrow for more. Until then, have a good day! –M. Graves Last Update: Wednesday, August 16, 2017, 9:06 AM

Current Conditions
Air Quality Index (AQI)
observed at 4:00 MST
42
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 42 Good
Particles (PM10) 39 Good
Particles (PM2.5) 30 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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