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Current Ozone and Weather Data in National Parks


Yellowstone National Park - Water Tower, WY
EPA AQS Site Number: 56-039-1011


Yesterday's Data   Data Timelines   Ozone Health Advisory  


Ozone Wednesday July 1, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 21 19
1 AM 22 18
2 AM 25 17
3 AM 25 15
4 AM 22 14
5 AM 15 --
6 AM 16 --
7 AM 11 --
8 AM 11 --
9 AM 11 --
Weather and Ozone Data Wednesday July 1, 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 21 1.0 N 14.8 68 0 0.0
1 AM 22 1.2 N 13.9 70 0 0.0
2 AM 25 0.9 NW 13.7 72 0 0.0
3 AM 25 0.9 NW 13.3 76 0 0.0
4 AM 22 0.9 N 12.0 81 0 0.0
5 AM 15 0.9 NW 11.5 84 0 0.0
6 AM 16 0.8 W 11.7 84 5 0.0
7 AM 11 0.9 SW 11.9 85 39 0.0
8 AM 11 0.9 SE 13.0 83 149 0.0
9 AM 11 1.3 S 15.1 74 354 0.0
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updated on 07/01/2015 10:42 AM  I   http://nature.nps.gov/air/data/current/data_YELL-WT.cfm   I  Email: Webmaster