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| Data courtesy of: |
Antelope Valley Air Quality Management District, Bay Area Air Quality Management District, California Air Resources Board, Imperial County Air Pollution Control District, Mendocino County Air Quality Management District, Mojave Desert Air Quality Management District, Monterey Bay Unified Air Pollution Control District, Placer County Air Pollution Control District, Sacramento Metropolitan Air Quality Management District, San Diego County Air Pollution Control District, San Joaquin Valley Air Pollution Control District, San Luis Obispo County Air Pollution Control District, Santa Barbara County Air Pollution Control District, South Coast Air Quality Management District, Ventura County Air Pollution Control District, Yolo-Solano Air Quality Management District
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- Forecast
- Current AQI
- AQI Animation
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Line Break (Shift + Enter)
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| Air Quality Index (AQI) |
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Good |
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Health Message: None |
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| Air Quality Index (AQI) |
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Good |
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Health Message: None |
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Forecast Discussion: Forecast Discussion for May 17 to May 22, 2013: A cool trough passes through the area Friday as a transient ridge builds in from the Pacific through the weekend. Early next week, the ridge is displaced by another cold upper level trough pushing down from the north. This sequence of events should lead to a temporary increase in temperatures and atmospheric stability as well as light offshore flow over the weekend followed by cooler and breezy conditions early next week. Although AQIs may increase slightly as the atmosphere stabilizes and pollutants build-up, AQIs for both ozone and PM2.5 are expected to generally remain in the GOOD air quality category. However, on the breezier days some areas in the Salinas Valley may see particulate related AQIs increase to the upper GOOD to lower MODERATE air quality categories due to seasonal increases in afternoon windblown fugitive dust. |
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