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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 Sunday August 30, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 44 35
1 AM 41 34
2 AM 35 33
3 AM 30 33
4 AM 31 34
5 AM 34 34
6 AM 36 34
7 AM 34 34
8 AM 33 33
9 AM 34 33
10 AM 34 33
11 AM 37 33
12 PM 37 34
1 PM 33 35
2 PM 32 36
3 PM 31 38
4 PM 32 40
5 PM 33 41
6 PM 35 43
7 PM 42 44
8 PM 45 45
9 PM 44 45
10 PM 44 45
11 PM 45 45
Weather and Ozone Data Sunday August 30, 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 44 1.3 W 13.3 66 0 0.0
1 AM 41 1.7 W 12.0 76 0 1.1
2 AM 35 1.4 W 10.0 94 0 1.1
3 AM 30 1.2 N 9.9 97 0 0.2
4 AM 31 1.2 NW 9.1 97 0 0.0
5 AM 34 1.2 W 9.3 97 0 0.0
6 AM 36 1.4 W 9.5 95 0 0.0
7 AM 34 1.0 W 9.0 95 3 0.0
8 AM 33 1.0 SW 9.4 93 86 0.0
9 AM 34 2.1 SW 11.6 82 162 0.0
10 AM 34 2.5 SW 12.6 77 312 0.0
11 AM 37 3.7 S 15.5 59 589 0.0
12 PM 37 4.0 SW 17.0 49 746 0.0
1 PM 33 4.1 SW 16.5 43 440 0.0
2 PM 32 4.1 SW 16.8 44 622 0.0
3 PM 31 4.1 SW 18.0 42 732 0.0
4 PM 32 4.2 SW 18.3 41 670 0.0
5 PM 33 4.2 SW 18.1 41 551 0.0
6 PM 35 4.8 SW 18.0 39 424 0.0
7 PM 42 4.8 SW 16.3 35 174 0.0
8 PM 45 3.6 SW 14.3 35 15 0.0
9 PM 44 1.6 SW 12.5 41 0 0.0
10 PM 44 1.1 SW 11.0 42 0 0.0
11 PM 45 2.0 SW 10.2 42 0 0.0
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updated on 08/31/2015 10:42 PM  I   http://nature.nps.gov/air/data/current/data_YELL-WT2.cfm   I  Email: Webmaster