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Current Ozone and Weather Data in National Parks


Select a Monitoring Site from the U.S. Map or List Below

National Park Service Air Quality Ozone and Weather Monitoring Stations Rocky Mountain National Park -- Trail Ridge Yosemite National Park -- School Yard Devil's Tower National Monument -- Joyner Ridge Wind Cave National Park -- Vistor Center Carlsbad Caverns National Park Big Bend National Park -- K-Bar Ranch Road Voyageurs National Park -- Sullivan Bay Theodore Roosevelt National Park -- Visitor Center Glacier National Park -- West Glacier Horse Stables North Cascades National Park -- Mt. Baker Site Olympic National Park -- Hurricane Ridge Mount Rainier National Park -- Tahoma Woods Acadia National Park -- McFarland Hill Craters of the Moon National Monument -- Visitor Center Denali National Park and Preserve -- Headquarters Rocky Mountain National Park -- Longs Peak Padre Island National Seashore Nachez Trace Parkway -- Dancy Ranger Station Assateague Island National Seashore Lassen Volcanic National Park -- Manzanita Lake Fire Station Dinosaur National Monument Colorado National Monument Great Smoky Mountains National Park -- Clingmans Dome Great Smoky Mountains National Park -- Cove Mountain Great Smoky Mountains National Park -- Cades Cove Great Smoky Mountains National Park -- Look Rock Cumberland Gap National Historical Park -- Hensley Settlement Great Basin National Park -- Maintenance Yard Zion National Park -- Dalton Wash Canyonlands National Park -- Island in the Sky Mesa Verde National Park -- Maintenance Yard Grand Canyon National Park -- The Abyss Petrified Forest National Park -- South Entrance Chiricahua National Monument -- Entrance Station Mojave National Preserve Yosemite National Park -- Turtleback Dome Pinnacles National Monument -- East Entrance Death Valley National Park -- Park Village Joshua Tree National Park -- Black Rock Joshua Tree National Park -- Pinto Wells Joshua Tree National Park -- Cottonwood Canyon Sequoia National Park -- Lower Kaweah Sequoia National Park -- Ash Mountain Yellowstone National Park -- Water Tower Yellowstone National Park -- Old Faithful Mammoth Cave National Park -- Houchin Meadow Shenandoah National Park -- Big Meadows Agate Fossil Beds National Monument -- Residence Area
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Last Updated: Monday September 22, 2008 10:35 AM Mountain Time 
Monitoring Site Data
Timelines		 Ending Hour
(Local Standard Time)		 Last Posted 1-Hour Average Ozone Concentration
(parts per billion)
 Acadia National Park - McFarland Hill, ME Click icon to display multi-day data tiemline chart 12 AM, Sep-22 19
 Agate Fossil Beds National Monument - Residence Area, NE Click icon to display multi-day data tiemline chart 7 AM, Sep-22 5
 Assateague Island National Seashore, MD Click icon to display multi-day data tiemline chart 10 AM, Sep-22 49
 Big Bend National Park - K-Bar Ranch Road, TX Click icon to display multi-day data tiemline chart 9 AM, Sep-22 42
 Canyonlands National Park - Island in the Sky, UT Click icon to display multi-day data tiemline chart 8 AM, Sep-22 40
 Carlsbad Caverns National Park, NM Click icon to display multi-day data tiemline chart 7 AM, Sep-22 --
 Chiricahua National Monument - Entrance Station, AZ Click icon to display multi-day data tiemline chart 12 AM, Sep-22 34
 Colorado National Monument, CO Click icon to display multi-day data tiemline chart 7 AM, Sep-22 38
 Craters of the Moon National Monument - Visitor Center, ID Click icon to display multi-day data tiemline chart 12 AM, Sep-22 32
 Cumberland Gap National Historical Park - Hensley Settlement, KY Click icon to display multi-day data tiemline chart 4 AM, Sep-22 43
 Death Valley National Park - Park Village, CA Click icon to display multi-day data tiemline chart 7 AM, Sep-22 44
 Denali National Park and Preserve - Headquarters, AK Click icon to display multi-day data tiemline chart 5 AM, Sep-22 17
 Devil's Tower National Monument - Joyner Ridge, WY Click icon to display multi-day data tiemline chart 7 AM, Sep-22 1
 Dinosaur National Monument, CO Click icon to display multi-day data tiemline chart 8 AM, Sep-22 10
 Glacier National Park - West Glacier Horse Stables, MT Click icon to display multi-day data tiemline chart 7 AM, Sep-22 19
 Grand Canyon National Park - The Abyss, AZ Click icon to display multi-day data tiemline chart 7 AM, Sep-22 31
 Great Basin National Park - Maintenance Yard, NV Click icon to display multi-day data tiemline chart 12 AM, Sep-22 51
 Great Smoky Mountains Nat'l Park - Cades Cove, TN Click icon to display multi-day data tiemline chart 12 AM, Sep-22 12
 Great Smoky Mountains Nat'l Park - Clingmans Dome, TN Click icon to display multi-day data tiemline chart 10 AM, Sep-22 51
 Great Smoky Mountains Nat'l Park - Cove Mountain, TN Click icon to display multi-day data tiemline chart 12 AM, Sep-22 38
 Great Smoky Mountains Nat'l Park - Look Rock, TN Click icon to display multi-day data tiemline chart 12 AM, Sep-22 35
 Joshua Tree National Park - Black Rock, CA Click icon to display multi-day data tiemline chart 7 AM, Sep-22 --
 Joshua Tree National Park - Pinto Wells, CA Click icon to display multi-day data tiemline chart 6 AM, Sep-22 37
 Lassen Volcanic National Park - Manzanita Lake Fire Station, CA Click icon to display multi-day data tiemline chart 7 AM, Sep-22 31
 Mammoth Cave NP - Houchin Meadows, KY Click icon to display multi-day data tiemline chart 12 AM, Sep-22 35
 Mesa Verde National Park - Maintenance Yard, CO Click icon to display multi-day data tiemline chart 8 AM, Sep-22 --
 Mojave National Preserve - Kelso Mountain, CA Click icon to display multi-day data tiemline chart 2 AM, Sep-22 55
 Mount Rainier National Park - Tahoma Woods, WA Click icon to display multi-day data tiemline chart 12 AM, Sep-22 6
 Natchez Trace Parkway - Dancy Ranger Station, MS Click icon to display multi-day data tiemline chart 9 AM, Sep-22 --
 North Cascades National Park - Mt. Baker Site, WA Click icon to display multi-day data tiemline chart 6 AM, Sep-22 20
 Olympic National Park - Hurricane Ridge, WA Click icon to display multi-day data tiemline chart 7 AM, Sep-22 18
 Petrified Forest National Park - South Entrance, AZ Click icon to display multi-day data tiemline chart 8 AM, Sep-22 33
 Pinnacles National Monument - East Entrance, CA Click icon to display multi-day data tiemline chart 7 AM, Sep-22 10
 Rocky Mountain National Park - Longs Peak, CO Click icon to display multi-day data tiemline chart 8 AM, Sep-22 32
 Sequoia National Park - Ash Mountain, CA Click icon to display multi-day data tiemline chart 7 AM, Sep-22 35
 Sequoia National Park - Lower Kaweah, CA Click icon to display multi-day data tiemline chart 12 AM, Sep-22 17
 Shenandoah NP - Big Meadows, VA Click icon to display multi-day data tiemline chart 12 AM, Sep-22 60
 Theodore Roosevelt National Park - Visitor Center, ND Click icon to display multi-day data tiemline chart 7 AM, Sep-22 25
 Wind Cave NP - Visitor Center, SD Click icon to display multi-day data tiemline chart 12 AM, Sep-22 41
 Yellowstone National Park - Water Tower, WY Click icon to display multi-day data tiemline chart 8 AM, Sep-22 38
 Yosemite National Park - Mobile Site, CA Click icon to display multi-day data tiemline chart 7 AM, Sep-22 56
 Yosemite National Park - School Yard, CA Click icon to display multi-day data tiemline chart 6 AM, Sep-22 46
 Yosemite National Park - Turtleback Dome, CA Click icon to display multi-day data tiemline chart 7 AM, Sep-22 57
 Zion National Park - Dalton Wash, UT Click icon to display multi-day data tiemline chart 3 AM, Sep-22 39
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