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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 September 3, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 39 36
1 AM 40 35
2 AM 39 34
3 AM 40 33
4 AM 34 33
5 AM 35 34
6 AM 33 35
7 AM 29 36
8 AM 32 37
9 AM 31 39
10 AM 36 40
11 AM 38 42
12 PM 40 42
1 PM 42 43
2 PM 42 43
3 PM 42 42
4 PM 43 42
5 PM 44 40
6 PM 45 39
7 PM 45 38
8 PM 43 --
9 PM 41 --
10 PM 38 --
11 PM 37 --
Weather and Ozone Data Thursday September 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 39 1.1 N 10.7 56 0 0.0
1 AM 40 1.0 NW 11.2 55 0 0.0
2 AM 39 0.9 W 11.0 57 0 0.0
3 AM 40 1.4 SW 12.0 51 0 0.0
4 AM 34 2.3 SW 9.4 86 0 1.0
5 AM 35 2.6 W 9.4 89 0 1.2
6 AM 33 1.5 NW 8.4 94 0 0.4
7 AM 29 1.4 NW 7.8 97 1 0.0
8 AM 32 1.1 W 8.7 96 65 0.0
9 AM 31 1.4 S 12.4 76 262 0.0
10 AM 36 2.2 SW 14.7 56 394 0.0
11 AM 38 3.2 S 16.8 44 556 0.0
12 PM 40 3.7 SW 17.9 39 680 0.0
1 PM 42 4.4 SW 18.7 33 727 0.0
2 PM 42 3.5 SW 19.1 35 619 0.0
3 PM 42 3.8 SW 19.5 35 720 0.0
4 PM 43 3.7 SW 20.4 32 716 0.0
5 PM 44 3.7 SW 20.2 32 554 0.0
6 PM 45 3.6 SW 19.4 32 420 0.0
7 PM 45 2.7 SW 17.9 36 152 0.0
8 PM 43 1.9 SW 16.4 38 12 0.0
9 PM 41 1.0 NW 13.3 49 0 0.0
10 PM 38 1.1 NW 11.7 55 0 0.0
11 PM 37 3.3 SW 9.6 76 0 1.0
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updated on 09/04/2015 12:40 AM  I   http://www2.nature.nps.gov/air/data/current/data_YELL-WT2.cfm   I  Email: Webmaster