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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


Yesterday's Data   Data Timelines   Ozone Health Advisory  


Ozone Friday July 21, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 15 12
1 AM 11 11
2 AM 10 --
3 AM 13 --
4 AM 15 --
5 AM 12 --
6 AM 10 --
Weather and Ozone Data Friday July 21, 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 15 1.0 W 14.3 75 1 0.0
1 AM 11 0.7 W 13.5 80 0 0.0
2 AM 10 0.8 W 12.9 85 0 0.2
3 AM 13 1.6 W 12.4 91 0 1.2
4 AM 15 0.8 NW 11.7 95 0 2.8
5 AM 12 0.9 N 11.4 97 2 0.1
6 AM 10 0.8 N 11.5 97 10 0.0
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updated on 07/21/2017 8:40 AM  I   http://nature.nps.gov/air/data/current/data_DENA-HQ.cfm   I  Email: Webmaster