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 Wednesday July 23, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 15 23
1 AM 26 24
2 AM 27 23
3 AM 25 23
4 AM 26 23
5 AM 25 24
6 AM 22 24
7 AM 22 25
8 AM 21 26
9 AM 22 27
10 AM 25 28
11 AM 28 29
12 PM 29 29
1 PM 28 29
2 PM 28 29
3 PM 29 29
4 PM 29 29
5 PM 29 28
6 PM 34 28
7 PM 31 26
8 PM 30 25
9 PM 29 23
10 PM 27 22
11 PM 26 20
Weather and Ozone Data Wednesday July 23, 2014
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 15 0.9 N 11.7 74 0 0.2
1 AM 26 1.5 N 10.4 84 0 0.5
2 AM 27 0.9 NW 9.4 31 1 0.0
3 AM 25 0.9 NW 8.7 2 1 0.0
4 AM 26 0.5 NW 7.9 2 1 0.0
5 AM 25 0.7 NW 8.0 2 2 0.0
6 AM 22 0.8 NW 8.1 2 10 0.0
7 AM 22 0.6 W 8.6 2 30 0.0
8 AM 21 1.3 N 10.0 2 84 0.0
9 AM 22 1.0 NE 10.8 2 98 0.0
10 AM 25 1.3 NE 11.5 2 137 0.0
11 AM 28 1.5 E 13.1 2 220 0.0
12 PM 29 2.0 SE 14.4 2 318 0.0
1 PM 28 2.0 SE 14.0 2 205 0.0
2 PM 28 1.8 SE 13.9 2 235 0.0
3 PM 29 1.7 SE 15.2 2 286 0.0
4 PM 29 1.6 SE 14.9 2 160 0.0
5 PM 29 1.5 S 14.8 2 145 0.0
6 PM 34 1.9 S 15.0 2 184 0.0
7 PM 31 1.8 SE 15.3 2 194 0.0
8 PM 30 1.4 E 13.7 2 59 0.0
9 PM 29 1.2 NE 12.5 2 33 0.0
10 PM 27 1.5 N 11.6 2 12 0.0
11 PM 26 0.9 N 10.7 2 4 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 07/24/2014 11:41 PM  I   http://nature.nps.gov/air/data/current/data_DENA-HQ2.cfm   I  Email: Webmaster