Explore Air
Current Ozone and Weather Data in National Parks
Select a Monitoring Site from the Map or List Below
![National Park Service Air Quality Ozone and Weather Monitoring Stations](images/airNowMap.gif) |
Last Updated: Friday February 15, 2013 7:39 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](images/graph.gif) |
8 AM, Feb-15 |
41 |
Big Bend National Park - K-Bar Ranch Road, TX |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
7 AM, Feb-15 |
39 |
Canyonlands National Park - Island in the Sky, UT |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
6 AM, Feb-15 |
45 |
Chiricahua National Monument - Entrance Station, AZ |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
5 AM, Feb-15 |
44 |
Craters of the Moon National Monument - Visitor Center, ID |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
6 AM, Feb-15 |
43 |
Death Valley National Park - Park Village, CA |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
6 AM, Feb-15 |
42 |
Denali National Park and Preserve - Headquarters, AK |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
5 AM, Feb-15 |
37 |
Dinosaur National Monument, CO |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
6 AM, Feb-15 |
77 |
Escalante National Monument - Visitor Center, UT |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
7 AM, Feb-15 |
44 |
Glacier National Park - West Glacier Horse Stables, MT |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
7 AM, Feb-15 |
29 |
Grand Canyon National Park - The Abyss, AZ |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
6 AM, Feb-15 |
41 |
Grand Teton National Park - Science School, WY |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
6 AM, Feb-15 |
45 |
Great Basin National Park - Maintenance Yard, NV |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
6 AM, Feb-15 |
44 |
Great Smoky Mountains Nat'l Park - Cades Cove, TN |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
8 AM, Feb-15 |
-- |
Great Smoky Mountains Nat'l Park - Cove Mountain, TN |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
8 AM, Feb-15 |
45 |
Great Smoky Mountains Nat'l Park - Look Rock, TN |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
8 AM, Feb-15 |
42 |
Joshua Tree National Park - Black Rock, CA |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
6 AM, Feb-15 |
42 |
Joshua Tree National Park - Cottonwood Canyon, CA |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
11 PM, Feb-14 |
-- |
Joshua Tree National Park - Pinto Wells, CA |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
6 AM, Feb-15 |
-- |
Lassen Volcanic National Park - Manzanita Lake Fire Station, CA |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
6 AM, Feb-15 |
43 |
Mammoth Cave NP - Houchin Meadows, KY |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
8 AM, Feb-15 |
23 |
Meeker-Plant Science, CO |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
7 AM, Feb-15 |
38 |
Mesa Verde National Park - Maintenance Yard, CO |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
7 AM, Feb-15 |
49 |
Mount Rainier National Park - Tahoma Woods, WA |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
6 AM, Feb-15 |
0 |
Petrified Forest National Park - South Entrance, AZ |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
7 AM, Feb-15 |
33 |
Pinnacles National Monument - East Entrance, CA |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
6 AM, Feb-15 |
11 |
Rangely Golf Course, CO |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
7 AM, Feb-15 |
48 |
Rocky Mountain National Park - Longs Peak, CO |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
7 AM, Feb-15 |
47 |
Sequoia National Park - Ash Mountain, CA |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
6 AM, Feb-15 |
29 |
Sequoia National Park - Lower Kaweah, CA |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
6 AM, Feb-15 |
41 |
Shenandoah NP - Big Meadows, VA |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
8 AM, Feb-15 |
40 |
Theodore Roosevelt National Park - Visitor Center, ND |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
7 AM, Feb-15 |
38 |
Voyageurs National Park - Sullivan Bay, MN |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
7 AM, Feb-15 |
31 |
Walden - Chandler Ranch, CO |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
6 AM, Feb-15 |
41 |
Wind Cave NP - Visitor Center, SD |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
7 AM, Feb-15 |
41 |
Yellowstone National Park - Water Tower, WY |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
6 AM, Feb-15 |
46 |
Yosemite National Park - Turtleback Dome, CA |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
6 AM, Feb-15 |
46 |
Zion National Park - Dalton Wash, UT |
![Click icon to display multi-day data tiemline chart](images/graph.gif) |
6 AM, Feb-15 |
38 |
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