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Current Ozone and Weather Data in National Parks


Select a Monitoring Site from the Map or List Below

Acadia National Park - McFarland Hill Big Bend National Park - K-Bar Ranch Road Canyonlands National Park - Island in the Sky Carlsbad Caverns National Park Chiricahua National Monument - Entrance Station Craters of the Moon National Monument - Visitor Center Cumberland Gap National Historical Park - Hensley Settlement Death Valley National Park - Park Village Denali National Park and Preserve - Headquarters Dinosaur National Monument - West Entrance Escalante National Monument - Visitor Center Glacier National Park - West Glacier Horse Stables Grand Canyon National Park - The Abyss Grand Teton National Park - Science School Great Basin National Park - Maintenance Yard Great Smoky Mountains Nat'l Park - Cades Cove Great Smoky Mountains Nat'l Park - Clingmans Dome Great Smoky Mountains Nat'l Park - Cove Mountain Great Smoky Mountains Nat'l Park - Look Rock Joshua Tree National Park - Black Rock Joshua Tree National Park - Cottonwood Canyon Joshua Tree National Park - Pinto Wells Kings Mountain National Military Park Lassen Volcanic National Park - Manzanita Lake Fire Station Mammoth Cave NP - Houchin Meadows Meeker-Plant Science Mesa Verde National Park - Maintenance Yard Mojave National Preserve -  Kelso Mountain Petrified Forest National Park - South Entrance Pinnacles National Monument - East Entrance Rangely Golf Course Rocky Mountain National Park - Longs Peak Rocky Mountain National Park - Trail Ridge Sequoia National Park - Ash Mountain Sequoia National Park - Lower Kaweah Shenandoah NP - Big Meadows Theodore Roosevelt National Park - Visitor Center Voyageurs National Park - Sullivan Bay Walden - Chandler Ranch Wind Cave NP - Visitor Center Yellowstone National Park - Water Tower Yosemite National Park - Turtleback Dome Zion National Park - Dalton Wash
National Park Service Air Quality Ozone and Weather Monitoring Stations
Web Cameras EPA AirNow Get Ozone Data Ozone Health Advisory Ozone Standard Exceedances
Last Updated: Saturday July 26, 2014 4:40 AM 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 6 AM, Jul-26 29
 Big Bend National Park - K-Bar Ranch Road, TX Click icon to display multi-day data tiemline chart 5 AM, Jul-26 42
 Canyonlands National Park - Island in the Sky, UT Click icon to display multi-day data tiemline chart 4 AM, Jul-26 55
 Carlsbad Caverns National Park, NM Click icon to display multi-day data tiemline chart 3 AM, Jul-26 38
 Chiricahua National Monument - Entrance Station, AZ Click icon to display multi-day data tiemline chart 3 AM, Jul-26 28
 Craters of the Moon National Monument - Visitor Center, ID Click icon to display multi-day data tiemline chart 4 AM, Jul-26 43
 Cumberland Gap National Historical Park - Hensley Settlement, KY Click icon to display multi-day data tiemline chart 4 AM, Jul-26 41
 Death Valley National Park - Park Village, CA Click icon to display multi-day data tiemline chart 3 AM, Jul-26 55
 Denali National Park and Preserve - Headquarters, AK Click icon to display multi-day data tiemline chart 2 AM, Jul-26 19
 Dinosaur National Monument - West Entrance, UT Click icon to display multi-day data tiemline chart 4 AM, Jul-26 30
 Escalante National Monument - Visitor Center, UT Click icon to display multi-day data tiemline chart 4 AM, Jul-26 34
 Glacier National Park - West Glacier Horse Stables, MT Click icon to display multi-day data tiemline chart 4 AM, Jul-26 5
 Grand Canyon National Park - The Abyss, AZ Click icon to display multi-day data tiemline chart 3 AM, Jul-26 46
 Grand Teton National Park - Science School, WY Click icon to display multi-day data tiemline chart 4 AM, Jul-26 33
 Great Basin National Park - Maintenance Yard, NV Click icon to display multi-day data tiemline chart 3 AM, Jul-26 45
 Great Smoky Mountains Nat'l Park - Cades Cove, TN Click icon to display multi-day data tiemline chart 6 AM, Jul-26 0
 Great Smoky Mountains Nat'l Park - Clingmans Dome, TN Click icon to display multi-day data tiemline chart 6 AM, Jul-26 63
 Great Smoky Mountains Nat'l Park - Cove Mountain, TN Click icon to display multi-day data tiemline chart 6 AM, Jul-26 51
 Great Smoky Mountains Nat'l Park - Look Rock, TN Click icon to display multi-day data tiemline chart 6 AM, Jul-26 48
 Joshua Tree National Park - Black Rock, CA Click icon to display multi-day data tiemline chart 3 AM, Jul-26 62
 Joshua Tree National Park - Cottonwood Canyon, CA Click icon to display multi-day data tiemline chart 3 AM, Jul-26 --
 Joshua Tree National Park - Pinto Wells, CA Click icon to display multi-day data tiemline chart 3 AM, Jul-26 37
 Kings Mountain National Military Park, SC Click icon to display multi-day data tiemline chart 4 AM, Jul-26 26
 Lassen Volcanic National Park - Manzanita Lake Fire Station, CA Click icon to display multi-day data tiemline chart 3 AM, Jul-26 35
 Mammoth Cave NP - Houchin Meadows, KY Click icon to display multi-day data tiemline chart 5 AM, Jul-26 24
 Meeker-Plant Science, CO Click icon to display multi-day data tiemline chart 4 AM, Jul-26 32
 Mesa Verde National Park - Maintenance Yard, CO Click icon to display multi-day data tiemline chart 4 AM, Jul-26 50
 Mojave National Preserve - Kelso Mountain, CA Click icon to display multi-day data tiemline chart 2 AM, Jul-26 54
 Petrified Forest National Park - South Entrance, AZ Click icon to display multi-day data tiemline chart 3 AM, Jul-26 44
 Pinnacles National Monument - East Entrance, CA Click icon to display multi-day data tiemline chart 3 AM, Jul-26 28
 Rangely Golf Course, CO Click icon to display multi-day data tiemline chart 4 AM, Jul-26 37
 Rocky Mountain National Park - Longs Peak, CO Click icon to display multi-day data tiemline chart 4 AM, Jul-26 --
 Rocky Mountain National Park - Trail Ridge, CO Click icon to display multi-day data tiemline chart 3 AM, Jul-26 56
 Sequoia National Park - Ash Mountain, CA Click icon to display multi-day data tiemline chart 3 AM, Jul-26 58
 Sequoia National Park - Lower Kaweah, CA Click icon to display multi-day data tiemline chart 3 AM, Jul-26 64
 Shenandoah NP - Big Meadows, VA Click icon to display multi-day data tiemline chart 6 AM, Jul-26 40
 Theodore Roosevelt National Park - Visitor Center, ND Click icon to display multi-day data tiemline chart 4 AM, Jul-26 17
 Voyageurs National Park - Sullivan Bay, MN Click icon to display multi-day data tiemline chart 2 AM, Jul-26 21
 Walden - Chandler Ranch, CO Click icon to display multi-day data tiemline chart 4 AM, Jul-26 14
 Wind Cave NP - Visitor Center, SD Click icon to display multi-day data tiemline chart 4 AM, Jul-26 43
 Yellowstone National Park - Water Tower, WY Click icon to display multi-day data tiemline chart 4 AM, Jul-26 46
 Yosemite National Park - Turtleback Dome, CA Click icon to display multi-day data tiemline chart 9 PM, Jul-25 61
 Zion National Park - Dalton Wash, UT Click icon to display multi-day data tiemline chart 4 AM, Jul-26 34
updated on 07/26/2014 4:40 AM  I   http://nature.nps.gov/air/data/current/index.cfm   I  Email: Webmaster