Park Alerts updated on 07/30/2022​​​​​​​

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    Mount Diablo State Park Weather and Air Quality
    Mount Diablo Summit

    Weather

    Mount Diablo Summit Weather

    The information is available courtesy of San Jose State University and the talented staff in their Department of Meteorology and Climate Science.

    Summit Webcam (CalFire)
    Mitchell Canyon Trailhead

    Air Quality

    Mount Diablo Summit AQI
    Junction Ranger Station AQI
    Mitchell Canyon Visitor Center AQI

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