Phoenix
 
Data and Forecasts courtesy of:
 

 - 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 Forecast - https://files.airnowtech.org/airnow/today/forecast_aqi_20180223_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:
Current Conditions
Air Quality Index (AQI)
observed at 20:00 MST
45
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 45 Good
Particles (PM10) 44 Good
Particles (PM2.5) 18 Good
Air Quality Forecast
Today Tomorrow
Air Quality Index (AQI)
56
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
Air Quality Index (AQI)
46
Good
Health Message: None
AQI - Pollutant Details
Carbon Monoxide
8
Good
Ozone
47
Good
Particles (PM10)
56
Moderate
Particles (PM2.5)
43
Good
Carbon Monoxide
15
Good
Ozone
46
Good
Particles (PM10)
40
Good
Particles (PM2.5)
37
Good
Forecast Discussion: There is currently a low pressure system pushing into the region. There are some light rain/snow showers over the northern part of the state. However, there isn't a lot of moisture with this system and we don't anticipate rain here in the Valley. What we do expect though are winds. Beginning this afternoon, we forecast breezes up around 15 mph with gusts around 20 mph. This may be enough to kick up a little dust and cause some haze this afternoon. With typical morning particulates this morning along with a little dust this afternoon, we forecast PM10 to reach Moderate AQI levels today. Lighter winds returning tomorrow should allow PM10 to drop back into the Good range. Without extended stagnation nor excessive winds through the rest of the forecast period, we expect PM10 to stay in the Good range after today. PM2.5, Ozone, and Carbon Monoxide are forecast to be in the Good AQI range through the entire period. –R. Nicoll http://www.azdeq.gov/programs/air-quality-programs/air-forecasting Last Update: Friday, February 23, 2018, 8:44 AM
Past Air Quality Maps and Data
Yesterday's Maps and Data
Air Quality Maps Archives (by region)

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