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_20170922_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 12:00 MST
53
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
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 37 Good
Particles (PM10) 53 Moderate
Particles (PM2.5) 38 Good
Air Quality Forecast
Today Tomorrow
Air Quality Index (AQI)
55
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
Air Quality Index (AQI)
54
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
AQI - Pollutant Details
Carbon Monoxide
6
Good
Ozone
54
Moderate
Particles (PM10)
55
Moderate
Particles (PM2.5)
23
Good
Carbon Monoxide
7
Good
Ozone
54
Moderate
Particles (PM10)
35
Good
Particles (PM2.5)
25
Good
Forecast Discussion: Sky Harbor Airport reported winds up to 28 mph yesterday, which was enough to kick up a little dust, however, overall winds were weaker than anticipated and didn't cause as much dust as forecast. PM-10 ended up in the lower Moderate range yesterday. Some slightly elevated PM-10 levels have lingered into this morning which will likely result in low Moderates today as well. We forecast PM-10 to be in the Good range over the weekend due to just enough influence from the exiting trough to help PM-10 levels. By next week, stagnation is forecast to be strong enough for morning particulate levels to be enough to bump the AQI back into the low Moderates. Ozone is forecast to be on an upward trend through the forecast period. This is the result of the atmosphere slowly calming down as the trough moves off to the east and high pressure begins building into the region. We don't expect a stable enough atmosphere for ozone to exceed the federal health standard, but we do expect ozone to reach into the mid-Moderates by the start of next week. PM-2.5 and carbon monoxide should remain in the Good AQI range through the forecast period. –R. Nicoll http://www.azdeq.gov/programs/air-quality-programs/air-forecasting Last Update: Friday, September 22, 2017, 8:48 AM
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