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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 Sunday July 23, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 27 23
1 AM 24 23
2 AM 25 22
3 AM 23 22
4 AM 22 22
5 AM 23 23
6 AM 24 23
7 AM 22 24
8 AM 21 24
9 AM 20 25
10 AM 22 26
11 AM 25 26
12 PM 27 27
1 PM 28 26
2 PM 27 26
3 PM 27 26
4 PM 28 25
5 PM 27 25
6 PM 26 24
7 PM 26 23
8 PM 25 21
9 PM 25 20
10 PM 25 19
11 PM 24 17
Weather and Ozone Data Sunday July 23, 2017
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 27 1.0 W 14.7 60 2 0.0
1 AM 24 1.4 SW 13.8 62 0 0.0
2 AM 25 0.8 NW 12.4 67 0 0.0
3 AM 23 0.7 NW 11.0 73 0 0.0
4 AM 22 0.6 NW 10.1 76 0 0.0
5 AM 23 0.7 NW 9.6 78 2 0.0
6 AM 24 0.5 NW 9.9 78 17 0.0
7 AM 22 0.5 NW 10.9 78 55 0.0
8 AM 21 0.6 SW 13.1 74 113 0.0
9 AM 20 1.4 NE 15.1 71 205 0.0
10 AM 22 1.7 NE 18.3 58 371 0.0
11 AM 25 1.5 E 20.3 50 462 0.0
12 PM 27 2.4 S 21.5 44 569 0.0
1 PM 28 3.9 S 22.2 42 665 0.0
2 PM 27 3.4 S 21.3 44 373 0.0
3 PM 27 3.3 S 22.2 42 453 0.0
4 PM 28 3.5 S 23.7 37 704 0.0
5 PM 27 2.7 S 22.6 41 401 0.0
6 PM 26 2.8 SW 22.2 43 316 0.0
7 PM 26 2.9 S 21.8 45 279 0.0
8 PM 25 2.1 S 21.0 48 144 0.0
9 PM 25 1.0 NW 20.4 50 94 0.0
10 PM 25 1.2 SW 19.6 54 34 0.0
11 PM 24 1.3 E 18.3 59 8 0.0
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updated on 07/24/2017 11:44 PM  I   http://www.nature.nps.gov/air/data/current/data_DENA-HQ2.cfm   I  Email: Webmaster