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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 Friday August 29, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 30 26
1 AM 29 26
2 AM 29 26
3 AM 31 26
4 AM 27 26
5 AM 23 27
6 AM 23 28
7 AM 23 30
8 AM 26 32
9 AM 26 33
10 AM 30 35
11 AM 33 37
12 PM 32 37
1 PM 33 38
2 PM 38 40
3 PM 39 40
4 PM 40 40
5 PM 40 40
6 PM 41 40
7 PM 40 39
8 PM 40 39
9 PM 42 37
10 PM 41 37
11 PM 42 37
Weather and Ozone Data Friday August 29, 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 30 1.0 N 8.5 96 1 1.3
1 AM 29 1.1 W 8.6 96 1 0.4
2 AM 29 1.0 N 8.2 96 1 0.0
3 AM 31 1.0 NW 7.6 96 1 0.0
4 AM 27 1.0 NW 7.5 96 1 0.0
5 AM 23 1.0 N 7.3 96 1 0.0
6 AM 23 1.1 NW 7.0 96 1 0.0
7 AM 23 1.0 NW 6.4 96 3 0.0
8 AM 26 0.8 NW 6.9 96 52 0.0
9 AM 26 1.5 SW 9.5 93 282 0.0
10 AM 30 1.5 S 10.8 83 445 0.0
11 AM 33 1.7 SE 12.7 74 608 0.0
12 PM 32 1.8 SE 14.3 70 736 0.0
1 PM 33 1.6 SE 14.8 68 487 0.0
2 PM 38 2.7 S 17.9 44 864 0.0
3 PM 39 3.6 SW 18.6 31 814 0.0
4 PM 40 3.3 SW 18.6 30 586 0.0
5 PM 40 3.3 SW 18.9 32 483 0.0
6 PM 41 2.9 S 19.3 32 453 0.0
7 PM 40 2.5 SW 18.1 34 186 0.0
8 PM 40 1.5 SW 15.1 46 16 0.0
9 PM 42 0.9 W 12.3 59 1 0.0
10 PM 41 2.4 NW 13.8 48 1 0.0
11 PM 42 2.4 NW 12.9 52 1 0.0
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updated on 08/30/2014 9:40 AM  I   http://www.nature.nps.gov/air/data/current/data_YELL-WT2.cfm   I  Email: Webmaster