National Park Service Arrowhead
Explore Air

Current Ozone and Weather Data in National Parks


Denali National Park and Preserve - Headquarters, AK
EPA AQS Site Number: 02-290-0003


Today's Data   Data Timelines   Ozone Health Advisory  
Ozone Thursday May 21, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 50 51
1 AM 52 51
2 AM 53 50
3 AM 53 50
4 AM 52 50
5 AM 50 50
6 AM 50 50
7 AM 49 50
8 AM 49 51
9 AM 49 52
10 AM 49 52
11 AM 52 53
12 PM 53 54
1 PM 52 53
2 PM 54 53
3 PM 54 53
4 PM 54 53
5 PM 55 53
6 PM 56 52
7 PM 54 51
8 PM 52 51
9 PM 52 50
10 PM 54 49
11 PM 54 48
Weather and Ozone Data Thursday May 21, 2015
Hour
Ending
(Local Time)
Ozone
(parts per
billion)
Wind
Speed
(meters per
second)
Wind
Direction
Temperature
(degrees C)
Relative
Humidity
(%)
Solar
Radiation
(watts per
meter
squared)
Rainfall
(millimeters)
12 AM 50 1.4 S 12.8 34 3 0.0
1 AM 52 1.6 S 12.3 34 1 0.0
2 AM 53 1.3 S 12.0 33 1 0.0
3 AM 53 1.2 N 11.3 35 1 0.0
4 AM 52 0.9 N 10.5 37 1 0.0
5 AM 50 1.0 E 9.8 39 5 0.0
6 AM 50 1.4 NE 9.8 40 32 0.0
7 AM 49 1.4 NE 9.7 42 71 0.0
8 AM 49 2.1 NE 10.3 41 122 0.0
9 AM 49 2.6 NE 11.4 39 205 0.0
10 AM 49 2.2 NE 12.1 38 229 0.0
11 AM 52 1.6 E 13.8 34 356 0.0
12 PM 53 2.0 SE 14.8 32 366 0.0
1 PM 52 2.0 S 15.7 31 391 0.0
2 PM 54 1.6 E 16.1 29 334 0.0
3 PM 54 1.5 S 16.7 26 307 0.0
4 PM 54 2.0 SW 17.4 24 461 0.0
5 PM 55 1.6 S 18.0 22 576 0.0
6 PM 56 1.9 S 18.3 21 363 0.0
7 PM 54 2.1 SW 17.1 24 152 0.0
8 PM 52 1.9 S 17.1 27 178 0.0
9 PM 52 1.5 S 17.1 27 136 0.0
10 PM 54 1.3 S 15.8 27 58 0.0
11 PM 54 1.0 NW 14.2 29 22 0.0
U.S. Department of the Interior Accessibility Freedom of Information Act USA.gov Search
Privacy Policy Disclaimer NPS Home Contact Us
updated on 05/22/2015 9:43 PM  I   http://nature.nps.gov/air/data/current/data_DENA-HQ2.cfm   I  Email: Webmaster