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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 August 8, 2007 8:43 PM Mountain Time |
| Monitoring Site |
Data
Timelines |
Last Posted Hour of Data
(Local Standard Time) |
Last Posted 1-Hour Average Ozone Concentration
(parts per billion) |
| Abraham Lincoln Birthplace National Historic Site, KY |
 |
7:00 PM, 08-Aug |
23 |
| Acadia National Park - McFarland Hill, ME |
|
11:00 PM, 07-Aug |
48 |
| Agate Fossil Beds National Monument - Residence Area, NE |
|
7:00 PM, 08-Aug |
62 |
| Assateague Island National Seashore, MD |
|
8:00 PM, 08-Aug |
61 |
| Badlands National Park - Visitor Center, SD |
|
6:00 PM, 08-Aug |
62 |
| Big Bend National Park - K-Bar Ranch Road, TX |
|
7:00 PM, 08-Aug |
30 |
| Canyonlands National Park - Island in the Sky, UT |
|
6:00 PM, 08-Aug |
40 |
| Carlsbad Caverns National Park, NM |
|
5:00 PM, 08-Aug |
34 |
| Chiricahua National Monument - Entrance Station, AZ |
|
6:00 PM, 08-Aug |
28 |
| Colorado National Monument, CO |
|
6:00 PM, 08-Aug |
48 |
| Craters of the Moon National Monument - Visitor Center, ID |
|
2:00 PM, 08-Aug |
49 |
| Cumberland Gap National Historical Park - Hensley Settlement, KY |
|
7:00 PM, 08-Aug |
52 |
| Denali National Park and Preserve - Headquarters, AK |
|
4:00 PM, 08-Aug |
31 |
| Dinosaur National Monument, CO |
|
6:00 PM, 08-Aug |
50 |
| Glacier National Park - West Glacier Horse Stables, MT |
|
6:00 PM, 08-Aug |
42 |
| Grand Canyon National Park - The Abyss, AZ |
|
6:00 PM, 08-Aug |
49 |
| Great Basin National Park - Maintenance Yard, NV |
|
11:00 PM, 07-Aug |
55 |
| Great Smoky Mountains Nat'l Park - Cades Cove, TN |
|
11:00 PM, 07-Aug |
8 |
| Great Smoky Mountains Nat'l Park - Clingmans Dome, TN |
|
8:00 PM, 08-Aug |
65 |
| Great Smoky Mountains Nat'l Park - Cove Mountain, TN |
|
11:00 PM, 07-Aug |
63 |
| Great Smoky Mountains Nat'l Park - Look Rock, TN |
|
11:00 PM, 07-Aug |
47 |
| Joshua Tree National Park - Black Rock, CA |
|
5:00 PM, 08-Aug |
93 |
| Joshua Tree National Park - Pinto Wells, CA |
|
4:00 PM, 08-Aug |
50 |
| Lassen Volcanic National Park - Manzanita Lake Fire Station, CA |
|
5:00 PM, 08-Aug |
60 |
| Mammoth Cave NP - Houchin Meadows, KY |
|
11:00 PM, 07-Aug |
47 |
| Mesa Verde National Park - Maintenance Yard, CO |
|
6:00 PM, 08-Aug |
53 |
| Mojave National Preserve - Kelso Mountain, CA |
|
4:00 PM, 08-Aug |
51 |
| Mount Rainier National Park - Tahoma Woods, WA |
|
5:00 PM, 08-Aug |
21 |
| Natchez Trace Parkway - Dancy Ranger Station, MS |
|
6:00 PM, 08-Aug |
20 |
| North Cascades National Park - Marblemount Ranger Station, WA |
|
5:00 PM, 08-Aug |
27 |
| North Cascades National Park - Mt. Baker Site, WA |
|
5:00 PM, 08-Aug |
37 |
| Petrified Forest National Park - South Entrance, AZ |
|
6:00 PM, 08-Aug |
52 |
| Pinnacles National Monument - East Entrance, CA |
|
5:00 PM, 08-Aug |
47 |
| Rocky Mountain National Park - Longs Peak, CO |
|
6:00 PM, 08-Aug |
36 |
| Sequoia National Park - Ash Mountain, CA |
|
5:00 PM, 08-Aug |
86 |
| Sequoia National Park - Lower Kaweah, CA |
|
5:00 PM, 08-Aug |
85 |
| Shenandoah NP - Big Meadows, VA |
|
11:00 PM, 07-Aug |
49 |
| Theodore Roosevelt National Park - Visitor Center, ND |
|
6:00 PM, 08-Aug |
53 |
| Voyageurs National Park - Sullivan Bay, MN |
|
7:00 PM, 08-Aug |
44 |
| Wind Cave NP - Visitor Center - Visitor Center, SD |
|
11:00 PM, 07-Aug |
51 |
| Yellowstone National Park - Water Tower, WY |
|
6:00 PM, 08-Aug |
55 |
| Yosemite National Park - Mobile Site, CA |
|
4:00 PM, 08-Aug |
57 |
| Yosemite National Park - School Yard, CA |
|
4:00 PM, 08-Aug |
51 |
| Yosemite National Park - Turtleback Dome, CA |
|
5:00 PM, 08-Aug |
63 |
| Zion National Park - Dalton Wash, UT |
|
6:00 PM, 08-Aug |
52 |
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