Placerville
 
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AQI Forecast - http://www.epa.gov/airnow/today/forecast_aqi_20140902_ca_nv.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_ca_nv.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_ca_nv.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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Air Quality Forecast
Today's High Tomorrow's High
Air Quality Index (AQI)
58 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
Data Not Available
AQI - Pollutant Details
Ozone
58 
Moderate
Data Not Available
Forecast Discussion: Labor Day, calm winds during the morning hours will reduce pollutant dispersion. As light to moderate northwesterly winds develop during the afternoon, pollutant dispersion will increase; however, these winds will also gradually transport smoke from wildfires in northern California into the Sacramento Valley, enhancing ozone production. In addition, hot, sunny conditions will enhance ozone formation. As a result, ozone levels will be low-Unhealthy for Sensitive Groups. Tuesday, sunny, warm conditions will persist, continuing to enhance ozone formation in the Sacramento region; however, moderate onshore winds will help disperse pollutants. As a result, ozone levels will be low-Moderate. Wednesday, lighter winds will reduce pollutant dispersion in the Sacramento region. In addition, sunny skies and temperatures in the upper-80s will continue to support ozone formation, leading to Moderate ozone levels.

Current Conditions
Data Not Available

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