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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 April 16, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 53 48
1 AM 51 47
2 AM 50 46
3 AM 49 46
4 AM 50 46
5 AM 46 47
6 AM 45 47
7 AM 47 49
8 AM 43 49
9 AM 45 51
10 AM 48 53
11 AM 50 54
12 PM 52 54
1 PM 53 55
2 PM 54 --
3 PM 54 --
4 PM 56 --
5 PM 57 --
6 PM 57 --
Weather and Ozone Data Wednesday April 16, 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 53 1.3 W -5.1 83 1 0.0
1 AM 51 0.8 NE -5.9 86 1 0.0
2 AM 50 1.0 NW -6.5 81 1 0.0
3 AM 49 1.0 W -7.1 82 1 0.0
4 AM 50 1.2 SW -6.9 82 1 0.0
5 AM 46 0.7 N -7.2 85 1 0.0
6 AM 45 0.6 NW -7.7 86 1 0.0
7 AM 47 0.9 W -7.2 83 4 0.0
8 AM 43 0.9 SE -7.7 84 28 0.0
9 AM 45 0.9 SE -6.6 80 102 0.0
10 AM 48 1.4 SE -4.3 69 214 0.0
11 AM 50 1.7 SE -4.0 65 325 0.0
12 PM 52 2.1 SE -2.6 54 419 0.0
1 PM 53 2.1 SE -1.4 48 548 0.0
2 PM 54 2.3 SE -1.3 50 499 0.0
3 PM 54 2.0 SE -0.4 48 490 0.0
4 PM 56 2.1 S 0.3 40 459 0.0
5 PM 57 3.0 SW 1.4 33 501 0.0
6 PM 57 3.0 SW 1.1 35 281 0.0
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updated on 04/16/2014 6:43 PM  I   http://nature.nps.gov/air/data/current/data_YELL-WT.cfm   I  Email: Webmaster