Hidden Valley
 
Data and Forecasts courtesy of:
 

 - https://files.airnowtech.org/airnow/today/cur_aqi_co_ut_az_nm.jpg Map Map Map Map Map Map Map Map Map Map Map Map Map
 
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 Forecast - https://files.airnowtech.org/airnow/today/forecast_aqi_20200407_co_ut_az_nm.jpg Map Map Map Map Map Map Map Map Map Map Map Map Map
 
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 - https://files.airnowtech.org/airnow/today/anim_aqi_co_ut_az_nm.gif Map Map Map Map Map Map Map Map Map Map Map Map Map
 
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: 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
 
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
Data Not Available
Air Quality Forecast
Today Tomorrow
Air Quality Index (AQI)
52
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
Air Quality Index (AQI)
60
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
AQI - Pollutant Details
Particles (PM10)
52
Moderate
Particles (PM2.5)
43
Good
Particles (PM10)
60
Moderate
Particles (PM2.5)
45
Good
Forecast Discussion: Updated Friday, April 3, 2020 The Hidden Valley area continues to be tricky when it comes to forecasting particulates levels. Yesterday’s forecast models for today showed less than favorable (wind directions other than easterly) early morning wind conditions. Unfortunately reality differed from the forecast models and the predawn and early morning winds at Hidden Valley had an easterly wind component. The light easterly winds transport the locally generated dust from the sources just to the east of the monitoring location over to the monitor. The hourly PM10 averages at Hidden Valley this morning have reached 229, 231 and 258 ug/m3 (health standard is a 24-hour average of 150 ug.m3). Therefore have bumped up today’s PM10 AQI forecast at Hidden Valley into the middle of the moderate AQI category. The PM10 levels will drop at that location as the day progresses and the winds shift to a more westerly direction. Over the weekend the early morning conditions at Hidden Valley provide opportunities for PM10 spikes and so have mid-moderate AQI levels forecast. An upper level low pressure system will move down from the Pacific Northwest through California over the next several days. As it moves southward it will strengthen and dump a fair amount precipitation over California. As it approaches the winds will become more of a factor and breezy to occasionally gusty winds will move into the area early next week. Some spotty blowing dust is expected and is reflected in the PM10 forecast with a few locations in the moderate AQI category Monday and Tuesday. The winds are expected to get rather strong by next Tuesday afternoon and Wednesday and so it’s possible for more widespread blowing dust. Stay tuned and check back early next week for an updated air quality forecast. The rain chances increase for next Wednesday and Thursday and there will be a noticeable change in the high temperatures as they drop back into the 60s. The ozone levels are forecast to be in the good to low moderate range today and this weekend with good AQI levels forecast early next week as the winds becoming more of a factor. Stronger winds help with dispersion and usually limit the impact of ozone formation. Forecaster: S. DiBiase
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