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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


Today's Data   Data Timelines   Ozone Health Advisory  
Ozone Thursday May 26, 2016 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 24 22
1 AM 22 22
2 AM 17 24
3 AM 24 26
4 AM 24 28
5 AM 20 30
6 AM 22 33
7 AM 23 35
8 AM 29 38
9 AM 36 40
10 AM 37 41
11 AM 39 41
12 PM 39 41
1 PM 41 40
2 PM 43 41
3 PM 44 40
4 PM 44 39
5 PM 43 39
6 PM 38 38
7 PM 36 39
8 PM 36 39
9 PM 48 --
10 PM 38 --
11 PM 36 --
Weather and Ozone Data Thursday May 26, 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 24 0.9 NW 0.6 98 0 0.0
1 AM 22 0.8 N 1.0 98 0 0.0
2 AM 17 0.8 NW 0.6 98 0 0.0
3 AM 24 0.8 NW 0.8 98 0 0.0
4 AM 24 0.7 NW 0.6 98 0 0.0
5 AM 20 1.0 NW 0.1 98 0 0.0
6 AM 22 0.9 NW 0.1 98 0 0.0
7 AM 23 0.9 W 0.9 98 17 0.0
8 AM 29 1.0 SW 1.6 96 74 0.0
9 AM 36 1.3 SW 3.0 87 196 0.0
10 AM 37 1.6 SE 4.0 84 354 0.0
11 AM 39 1.9 SE 5.7 77 630 0.0
12 PM 39 1.9 S 7.4 69 766 0.0
1 PM 41 2.4 SE 8.7 64 830 0.0
2 PM 43 2.6 W 7.6 63 456 0.0
3 PM 44 2.2 W 8.7 57 577 0.0
4 PM 44 2.2 SE 8.8 61 723 0.0
5 PM 43 3.2 S 8.2 62 428 0.0
6 PM 38 1.5 NW 3.5 86 17 6.2
7 PM 36 0.9 N 2.9 96 60 1.7
8 PM 36 1.0 NW 2.2 97 7 2.8
9 PM 48 2.0 W 1.7 96 1 2.9
10 PM 38 0.7 NE 1.5 97 0 0.0
11 PM 36 0.8 N 1.0 98 0 0.0
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updated on 05/27/2016 1:41 AM  I   http://nature.nps.gov/air/data/current/data_YELL-WT2.cfm   I  Email: Webmaster