Phoenix
 
Data courtesy of:
 

AQI Forecast - http://files.airnowtech.org/airnow/today/forecast_aqi_20150702_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.
 - http://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 - http://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 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
Air Quality Forecast
Today's High Tomorrow's High
Air Quality Index (AQI)
67 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
Air Quality Index (AQI)
77 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
AQI - Pollutant Details
Ozone
67 
Moderate
Particles (PM10)
50 
Good
Particles (PM2.5)
29 
Good
Carbon Monoxide
Good
Ozone
77 
Moderate
Particles (PM10)
50 
Good
Particles (PM2.5)
30 
Good
Carbon Monoxide
Good
Forecast Discussion: The Fourth of July weekend look good as far as barbecues and pool parties go. Firework displays should be able to go off without competing with any rain. The monsoon pattern is shifting a little bit over the next several days as a trough of low pressure develops off the coast of California. The moisture will still be present across Arizona and there will still be typical thunderstorm activity over the higher mountains of northern and eastern Arizona, but they should stay out of the Valley through Sunday. Rain chances improve Monday as the flow turns out of the south. This also increases the chance for dust. For now, we'll keep ozone levels in the middle to upper Moderate range through Saturday and PM-10 concentrations in the lower part of that category. We'll re-evaluate the situation tomorrow. NOTE: the purchase and use of certain consumer fireworks are now legal in Maricopa and Pima counties. Last year was the first 4th of July exceedance of the PM2.5 standard associated with consumer fireworks. Excessive smoke from ground-level fireworks tends to pool near the surface. Last year's exceedance occurred at the West Phoenix monitor. All other monitors recorded middle-Moderate levels. While it's difficult to forecast for human behavior, we are leaving forecasted PM2.5 levels in the middle to upper Moderate range for the 4th. Please be respectful of others in the neighborhood this weekend, especially those with respiratory issues such as asthma or emphysema.

Current Conditions
Air Quality Index (AQI)
observed at 15:00 MST
50
Good
Health Message: None
AQI - Pollutant Details
Ozone 50 Good
Particles (PM2.5) 18 Good
Particles (PM10) 18 Good

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

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