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Explore Air
Current Ozone and Weather Data in National Parks
Select a Monitoring Site from the Map or List Below
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| Last Updated: Wednesday May 16, 2012 1:41 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 |
 |
3 PM, May-16 |
45 |
| Big Bend National Park - K-Bar Ranch Road, TX |
|
2 PM, May-16 |
68 |
| Canyonlands National Park - Island in the Sky, UT |
|
1 PM, May-16 |
66 |
| Carl Sandburg National Historic Park - Pasture, BC |
|
3 PM, May-16 |
47 |
| Carlsbad Caverns National Park, NM |
|
12 PM, May-16 |
71 |
| Chiricahua National Monument - Entrance Station, AZ |
|
12 PM, May-16 |
62 |
| Colorado National Monument, CO |
|
12 PM, May-16 |
51 |
| Craters of the Moon National Monument - Visitor Center, ID |
|
1 PM, May-16 |
50 |
| Cumberland Gap National Historical Park - Hensley Settlement, KY |
|
3 AM, May-15 |
33 |
| Death Valley National Park - Park Village, CA |
|
12 PM, May-16 |
64 |
| Denali National Park and Preserve - Headquarters, AK |
|
11 AM, May-16 |
-- |
| Dinosaur National Monument, CO |
|
1 PM, May-16 |
64 |
| Escalante National Monument - Visitor Center, UT |
|
12 PM, May-16 |
62 |
| Glacier National Park - West Glacier Horse Stables, MT |
|
1 PM, May-16 |
59 |
| Grand Canyon National Park - The Abyss, AZ |
|
12 PM, May-16 |
77 |
| Grand Teton National Park - Science School, WY |
|
1 PM, May-16 |
57 |
| Great Basin National Park - Maintenance Yard, NV |
|
12 PM, May-16 |
74 |
| Great Smoky Mountains Nat'l Park - Cades Cove, TN |
|
3 PM, May-16 |
57 |
| Great Smoky Mountains Nat'l Park - Clingmans Dome, TN |
|
3 PM, May-16 |
48 |
| Great Smoky Mountains Nat'l Park - Cove Mountain, TN |
|
3 PM, May-16 |
55 |
| Great Smoky Mountains Nat'l Park - Look Rock, TN |
|
3 PM, May-16 |
61 |
| Guilford Courthouse National Military Park - Library, NC |
|
3 PM, May-16 |
44 |
| Joshua Tree National Park - Black Rock, CA |
|
12 PM, May-16 |
71 |
| Joshua Tree National Park - Cottonwood Canyon, CA |
|
11 AM, May-16 |
-- |
| Joshua Tree National Park - Pinto Wells, CA |
|
12 PM, May-16 |
62 |
| Kings Mountain National Military Park, SC |
|
2 PM, May-16 |
50 |
| Lassen Volcanic National Park - Manzanita Lake Fire Station, CA |
|
12 PM, May-16 |
60 |
| Mammoth Cave NP - Houchin Meadows, KY |
|
2 PM, May-16 |
72 |
| Meeker-Plant Science, CO |
|
1 PM, May-16 |
55 |
| Mesa Verde National Park - Maintenance Yard, CO |
|
1 PM, May-16 |
61 |
| Mojave National Preserve - Kelso Mountain, CA |
|
12 PM, May-16 |
64 |
| Mount Rainier National Park - Tahoma Woods, WA |
|
12 PM, May-16 |
41 |
| Petrified Forest National Park - South Entrance, AZ |
|
12 PM, May-16 |
65 |
| Pinnacles National Monument - East Entrance, CA |
|
12 PM, May-16 |
44 |
| Rangely Golf Course, CO |
|
1 PM, May-16 |
62 |
| Rocky Mountain National Park - Longs Peak, CO |
|
1 PM, May-16 |
63 |
| Scotts Bluff National Monument - Visitor Center, NE |
|
3 AM, May-16 |
38 |
| Sequoia National Park - Ash Mountain, CA |
|
12 PM, May-16 |
60 |
| Sequoia National Park - Lower Kaweah, CA |
|
12 PM, May-16 |
52 |
| Shenandoah NP - Big Meadows, VA |
|
3 PM, May-16 |
64 |
| Theodore Roosevelt National Park - Visitor Center, ND |
|
1 PM, May-16 |
52 |
| Voyageurs National Park - Sullivan Bay, MN |
|
2 PM, May-16 |
50 |
| Walden - Chandler Ranch, CO |
|
12 PM, May-16 |
51 |
| Wind Cave NP - Visitor Center, SD |
|
1 PM, May-16 |
63 |
| Yellowstone National Park - Water Tower, WY |
|
1 PM, May-16 |
47 |
| Yosemite National Park - School Yard, CA |
|
11 AM, May-16 |
29 |
| Yosemite National Park - Turtleback Dome, CA |
|
12 PM, May-16 |
48 |
| Zion National Park - Dalton Wash, UT |
|
1 PM, May-16 |
74 |
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