Phoenix
 
Data and Forecasts courtesy of:
 

AQI Forecast - https://files.airnowtech.org/airnow/today/forecast_aqi_20170629_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)
87 
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.
AQI - Pollutant Details
Ozone
87 
Moderate
Particles (PM10)
58 
Moderate
Particles (PM2.5)
40 
Good
Ozone
101 
Unhealthy for Sensitive Groups
Particles (PM10)
58 
Moderate
Particles (PM2.5)
44 
Good
Forecast Discussion: A haze is visible in the Valley this morning, somewhat obscuring mountains in the distance. According to satellite imagery, this haze likely originated from a wildfire in northern Baja Peninsula. So far, it doesn't appear this haze is having a meaningful impact on our particulate levels. Yesterday, ozone ended up in the Good Air Quality Index (AQI) category throughout most of the Valley. Only a few monitors in the northeast parts reached into the Moderate AQI range. Today, breezy, southwesterly winds are expected to continue, which should help to limit ozone levels like yesterday. However, smoke from wildfires is known to contribute to ozone--it is possible that ozone levels could be affected by this morning's haze. By Thursday, ozone is expected to begin an upward trend as winds weaken. This could potentially culminate in levels in reaching High Pollution Advisory criteria on Friday. Fortunately, winds look to increase again by Saturday, limiting ozone levels once again. Regarding particulates, no issues are expected during this forecast period, save for dust from local activity. Monitors most likely to see elevated morning PM-10 levels are the West 43rd, Durango, and Higley sites. Check back tomorrow for the latest. Until then, have a good day! –M. Graves Last Update: Wednesday, June 28, 2017, 8:37 AM

Current Conditions
Air Quality Index (AQI)
observed at 1:00 MST
48
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 44 Good
Particles (PM10) 44 Good
Particles (PM2.5) 48 Good

Past Air Quality Maps and Data
Yesterday's Maps and Data
Air Quality Maps Archives (by region)

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