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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 August 28, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 51 47
1 AM 49 46
2 AM 50 45
3 AM 48 43
4 AM 48 44
5 AM 47 44
6 AM 47 44
7 AM 43 44
8 AM 43 44
9 AM 35 43
10 AM 40 44
11 AM 49 44
12 PM 51 44
1 PM 48 43
2 PM 44 42
3 PM 42 42
4 PM 41 42
5 PM 42 40
6 PM 42 39
7 PM 44 37
8 PM 43 35
9 PM 43 33
10 PM 43 31
11 PM 38 28
Weather and Ozone Data Thursday August 28, 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 51 1.1 NW 9.6 69 1 0.0
1 AM 49 1.3 NW 8.3 75 1 0.0
2 AM 50 1.2 NW 7.8 76 1 0.0
3 AM 48 1.2 NW 7.3 80 1 0.0
4 AM 48 1.2 NW 7.0 83 1 0.0
5 AM 47 1.1 NW 6.8 86 1 0.0
6 AM 47 1.0 W 6.6 88 1 0.0
7 AM 43 0.9 NW 6.3 91 4 0.0
8 AM 43 0.7 S 7.1 87 40 0.0
9 AM 35 1.5 S 10.0 80 295 0.0
10 AM 40 1.7 SE 11.8 73 464 0.0
11 AM 49 2.0 SE 13.4 64 620 0.0
12 PM 51 1.8 SE 14.7 59 650 0.0
1 PM 48 1.8 SE 15.9 57 633 0.0
2 PM 44 2.0 SE 17.6 48 589 0.0
3 PM 42 2.2 SW 18.6 34 537 0.0
4 PM 41 2.5 SW 19.7 31 655 0.0
5 PM 42 2.3 SW 19.8 31 486 0.0
6 PM 42 2.3 SW 18.4 37 190 0.0
7 PM 44 2.4 SW 17.3 43 131 0.0
8 PM 43 1.7 W 15.4 49 13 0.0
9 PM 43 1.6 SW 14.6 52 1 0.0
10 PM 43 3.5 W 12.5 63 1 3.7
11 PM 38 2.3 W 8.7 91 1 3.7
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updated on 08/29/2014 7:44 PM  I   http://nature.nps.gov/air/data/current/data_YELL-WT2.cfm   I  Email: Webmaster