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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 May 24, 2013 
Hour Ending
(Local Time)		 1-Hour Average
(parts per billion)		 8-Hour Average
(parts per billion)
12 AM 52 53
1 AM 49 52
2 AM 52 52
3 AM 50 52
4 AM 60 51
5 AM 58 50
6 AM 54 49
7 AM 51 48
8 AM 49 49
9 AM 47 49
10 AM 48 50
11 AM 48 51
12 PM 48 53
1 PM 49 55
2 PM 51 56
3 PM 52 57
4 PM 54 57
5 PM 56 56
6 PM 57 56
7 PM 61 55
8 PM 62 55
9 PM 59 54
10 PM 56 53
11 PM 52 53
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Weather and Ozone Data Friday May 24, 2013
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 52 2.3 SW 4.7 76 1 0.0
1 AM 49 3.6 SW 1.3 92 1 0.0
2 AM 52 2.7 SW 0.4 92 1 0.0
3 AM 50 1.5 S 0.1 92 1 0.0
4 AM 60 2.1 S -0.7 91 1 0.0
5 AM 58 1.9 SW -1.1 88 1 0.0
6 AM 54 1.5 SW -1.6 86 2 0.0
7 AM 51 2.2 SW -1.2 74 14 0.0
8 AM 49 2.8 SW 0.0 65 75 0.0
9 AM 47 3.1 SW 1.3 58 364 0.0
10 AM 48 3.6 S 2.9 51 608 0.0
11 AM 48 3.9 SW 4.2 37 763 0.0
12 PM 48 3.7 S 5.4 34 878 0.0
1 PM 49 4.4 S 6.3 31 940 0.0
2 PM 51 4.2 SW 7.2 28 953 0.0
3 PM 52 3.9 SW 8.1 27 919 0.0
4 PM 54 4.5 SW 8.9 26 837 0.0
5 PM 56 4.6 SW 9.5 26 714 0.0
6 PM 57 3.5 S 9.6 28 429 0.0
7 PM 61 3.3 SW 9.5 28 336 0.0
8 PM 62 3.0 SW 8.9 29 103 0.0
9 PM 59 2.0 SW 7.1 35 12 0.0
10 PM 56 1.8 SW 6.0 40 2 0.0
11 PM 52 1.0 S 4.6 46 1 0.0
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updated on 05/25/2013 3:40 PM  I   http://www.nature.nps.gov/air/data/current/data_YELL-WT2.cfm   I  Email: Webmaster