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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 Friday May 27, 2016 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 37 33
1 AM 42 32
2 AM 41 31
3 AM 38 31
4 AM 31 32
5 AM 22 33
6 AM 25 36
7 AM 31 38
8 AM 29 40
9 AM 36 43
10 AM 40 45
11 AM 42 47
12 PM 43 48
1 PM 43 49
2 PM 44 50
3 PM 47 51
4 PM 50 --
5 PM 55 --
6 PM 58 --
7 PM 49 --
8 PM 47 --
Weather and Ozone Data Friday May 27, 2016
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 37 1.1 NW 0.4 98 0 0.0
1 AM 42 1.1 NW 0.2 98 0 0.0
2 AM 41 1.0 NW -0.1 98 0 0.0
3 AM 38 0.9 NW -0.2 98 -- 0.0
4 AM 31 0.7 SW 0.1 98 0 0.0
5 AM 22 0.5 NE 0.2 98 0 0.0
6 AM 25 0.7 SW 0.3 99 2 0.0
7 AM 31 1.1 SW 1.1 99 33 0.0
8 AM 29 0.9 SW 1.7 99 39 0.1
9 AM 36 1.1 S 2.3 99 178 0.0
10 AM 40 1.6 S 3.6 94 351 0.0
11 AM 42 1.6 SE 5.5 85 697 0.0
12 PM 43 1.7 SE 7.4 75 809 0.0
1 PM 43 2.1 SE 8.8 68 848 0.0
2 PM 44 2.7 SW 6.1 75 198 0.0
3 PM 47 2.0 S 6.4 79 427 0.0
4 PM 50 1.9 SE 8.2 67 709 0.0
5 PM 55 3.0 SW 10.4 52 676 0.0
6 PM 58 3.7 SW 10.1 46 428 0.0
7 PM 49 3.3 W 6.7 68 243 0.0
8 PM 47 2.0 S 6.4 71 77 0.0
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updated on 05/27/2016 8:44 PM  I   http://nature.nps.gov/air/data/current/data_YELL-WT.cfm   I  Email: Webmaster