Phoenix
 
Data courtesy of:
 

AQI Forecast - https://files.airnowtech.org/airnow/today/forecast_aqi_20160726_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: Moderate (51 - 100) AQI: Unhealthy for Sensitive Groups (101 - 150) AQI: Unhealthy (151 - 200) AQI: Very Unhealthy (201 - 300) AQI: Hazardous(301 - 500) Action 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
Air Quality Forecast
Today's High Tomorrow's High
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.
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
Ozone
105 
Unhealthy for Sensitive Groups
Particles (PM10)
28 
Good
Particles (PM2.5)
52 
Moderate
Ozone
105 
Unhealthy for Sensitive Groups
Particles (PM10)
25 
Good
Particles (PM2.5)
52 
Moderate
Forecast Discussion: A large ridge of high pressure continues to make its home over the Southwest. Over the next couple days, it will position itself more directly over Arizona, hence the +110°F high temperatures this week. Since ozone exceeded the federal health standard yesterday and since the weather pattern will not change much through Wednesday, the ozone High Pollution Advisory (HPA) has been extended into Wednesday. High pressure results in a more stagnant atmosphere and thus, supports accumulation of ozone near the ground. Another ozone HPA is possible for Thursday. Ozone is expected to be highest in the eastern areas of the Valley each day. PM-10 will continue to be forecast in the Moderate AQI range each day due to the possibility of thunderstorm outflows impacting the Valley. Blowing dust is possible in the afternoon and/or evening hours. Check back tomorrow for the next Phoenix air quality forecast! –M.Graves Last Update: Tuesday, July 26, 2016, 9:02 AM

Current Conditions
Air Quality Index (AQI)
observed at 14:00 MST
49
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 49 Good

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