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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 Monday August 3, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 37 40
1 AM 38 41
2 AM 41 41
3 AM 42 41
4 AM 43 41
5 AM 42 40
6 AM 43 40
7 AM 41 40
8 AM 42 40
9 AM 39 41
10 AM 40 41
11 AM 41 41
12 PM 39 41
1 PM 40 42
2 PM 43 42
3 PM 43 41
4 PM 43 40
5 PM 41 40
6 PM 41 39
7 PM 42 37
8 PM 43 37
9 PM 42 36
10 PM 40 --
11 PM 33 --
Weather and Ozone Data Monday August 3, 2015
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 N 14.9 40 0 0.0
1 AM 38 1.0 N 14.7 43 0 0.0
2 AM 41 1.1 NW 14.4 43 0 0.0
3 AM 42 1.1 N 13.8 46 0 0.0
4 AM 43 1.1 N 13.5 47 0 0.0
5 AM 42 0.9 NW 13.4 49 0 0.0
6 AM 43 1.1 N 12.8 51 0 0.0
7 AM 41 1.0 N 12.7 53 24 0.0
8 AM 42 0.8 N 14.7 51 108 0.0
9 AM 39 0.9 SE 17.7 43 283 0.0
10 AM 40 1.4 SE 18.4 42 396 0.0
11 AM 41 1.5 SE 19.6 39 538 0.0
12 PM 39 1.3 S 19.1 41 410 0.0
1 PM 40 1.8 S 20.7 41 593 0.0
2 PM 43 2.0 S 23.2 31 707 0.0
3 PM 43 2.2 S 22.8 30 549 0.0
4 PM 43 2.2 SW 21.8 34 366 0.0
5 PM 41 2.4 SW 20.4 40 281 0.0
6 PM 41 1.9 W 19.0 44 130 0.0
7 PM 42 2.9 SW 17.5 52 80 0.0
8 PM 43 1.9 W 15.6 60 33 0.0
9 PM 42 1.2 N 14.6 64 9 0.0
10 PM 40 1.3 S 13.9 70 0 0.0
11 PM 33 1.1 E 12.2 90 0 3.6
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updated on 08/04/2015 2:45 AM  I   http://www.nature.nps.gov/air/data/current/data_YELL-WT2.cfm   I  Email: Webmaster