Apache Junction
 
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AQI Forecast - http://www.epa.gov/airnow/today/forecast_aqi_20140421_co_ut_az_nm.jpg
 
Legend: National Parks/Monuments National Parks/Monuments     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://www.epa.gov/airnow/today/cur_aqi_co_ut_az_nm.jpg
 
Legend: National Parks/Monuments National Parks/Monuments     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://www.epa.gov/airnow/today/anim_aqi_co_ut_az_nm.gif
 
Legend: National Parks/Monuments National Parks/Monuments     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
 
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American Lung Association (ALA) of Arizona
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Air Quality Forecast
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Air Quality Index (AQI)
52 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
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AQI - Pollutant Details
Ozone
52 
Moderate
Data Not Available
Forecast Discussion: Updated Friday, April 18, 2014 at 10:30 a.m. ** PM10 HEALTH WATCH IN EFFECT FRIDAY, APRIL 18, 2014 ** An upper level low pressure system is in the process of moving into the southwestern United States today and will eventually move through Arizona on Saturday. This upper level low will bring cooler temperatures, windy conditions and the chance for scattered showers and even perhaps even a thunderstorm or two. The winds associated with this system will reach gusts of 25-30 mph this afternoon with higher gusts possible in any thunderstorm development. In addition, any thunderstorm development could result in strong outflow winds and associated blowing dust. Therefore, as a precaution for anticipated elevated PM10 levels due to blowing dust a PM10 Health Watch remains in effect for today (Friday). Anyone with respiratory and/or heart ailments should limit outdoor activities during periods of blowing dust. As the upper level low pressure system moves through the state on Saturday there will remain the chance for some shower and thunderstorm activity. The chance for associated blowing dust is reflected in the elevated PM10 forecast for Saturday. High pressure will slowly build into the area on Sunday/Monday and bring a return to warm temperatures. The ozone levels will start to increase on Sunday and by Monday reach the low moderate category. A trough will move into northern Arizona towards the middle of next week and help bring slightly lower temperatures and breezy conditions. Check back on Monday for an updated air quality forecast. Forecaster – S. DiBiase

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