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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 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 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
Web Cameras EPA AirNow Get Ozone Data Ozone Health Advisory Ozone Standard Exceedances
Last Updated: Saturday November 7, 2009 6:37 PM Mountain Time 
Monitoring Site Data
Timelines		 Ending Hour
(Local 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 7 PM, Nov-07 28
 Big Bend National Park - K-Bar Ranch Road, TX Click icon to display multi-day data tiemline chart 7 PM, Nov-07 41
 Canyonlands National Park - Island in the Sky, UT Click icon to display multi-day data tiemline chart 12 AM, Nov-07 35
 Chiricahua National Monument - Entrance Station, AZ Click icon to display multi-day data tiemline chart 12 AM, Nov-07 37
 Craters of the Moon National Monument - Visitor Center, ID Click icon to display multi-day data tiemline chart 12 AM, Nov-07 32
 Death Valley National Park - Park Village, CA Click icon to display multi-day data tiemline chart 12 AM, Nov-07 34
 Denali National Park and Preserve - Headquarters, AK Click icon to display multi-day data tiemline chart 4 PM, Nov-07 26
 Glacier National Park - West Glacier Horse Stables, MT Click icon to display multi-day data tiemline chart 12 AM, Nov-07 34
 Grand Canyon National Park - The Abyss, AZ Click icon to display multi-day data tiemline chart 12 AM, Nov-06 40
 Great Basin National Park - Maintenance Yard, NV Click icon to display multi-day data tiemline chart 12 AM, Nov-07 24
 Great Smoky Mountains Nat'l Park - Cades Cove, TN Click icon to display multi-day data tiemline chart 12 AM, Nov-07 --
 Great Smoky Mountains Nat'l Park - Cove Mountain, TN Click icon to display multi-day data tiemline chart 12 AM, Nov-06 42
 Great Smoky Mountains Nat'l Park - Look Rock, TN Click icon to display multi-day data tiemline chart 7 PM, Nov-07 56
 Joshua Tree National Park - Black Rock, CA Click icon to display multi-day data tiemline chart 12 AM, Nov-07 43
 Lassen Volcanic National Park - Manzanita Lake Fire Station, CA Click icon to display multi-day data tiemline chart 12 AM, Nov-07 34
 Mammoth Cave NP - Houchin Meadows, KY Click icon to display multi-day data tiemline chart 7 PM, Nov-07 52
 Mesa Verde National Park - Maintenance Yard, CO Click icon to display multi-day data tiemline chart 12 AM, Nov-07 35
 Mount Rainier National Park - Tahoma Woods, WA Click icon to display multi-day data tiemline chart 5 PM, Nov-07 24
 Petrified Forest National Park - South Entrance, AZ Click icon to display multi-day data tiemline chart 12 AM, Nov-07 30
 Pinnacles National Monument - East Entrance, CA Click icon to display multi-day data tiemline chart 12 AM, Nov-07 11
 Rocky Mountain National Park - Longs Peak, CO Click icon to display multi-day data tiemline chart 6 PM, Nov-07 43
 Sequoia National Park - Ash Mountain, CA Click icon to display multi-day data tiemline chart 5 PM, Nov-07 44
 Sequoia National Park - Lower Kaweah, CA Click icon to display multi-day data tiemline chart 12 AM, Nov-07 22
 Shenandoah NP - Big Meadows, VA Click icon to display multi-day data tiemline chart 12 AM, Nov-07 39
 Theodore Roosevelt National Park - Visitor Center, ND Click icon to display multi-day data tiemline chart 6 PM, Nov-07 36
 Voyageurs National Park - Sullivan Bay, MN Click icon to display multi-day data tiemline chart 12 AM, Nov-07 33
 Wind Cave NP - Visitor Center, SD Click icon to display multi-day data tiemline chart 12 AM, Nov-07 --
 Yosemite National Park - Turtleback Dome, CA Click icon to display multi-day data tiemline chart 5 PM, Nov-07 38
 Zion National Park - Dalton Wash, UT Click icon to display multi-day data tiemline chart 6 PM, Nov-07 35
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