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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 Tuesday April 15, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 53 53
1 AM 53 53
2 AM 53 53
3 AM 54 53
4 AM 54 53
5 AM 54 52
6 AM 54 52
7 AM 53 52
8 AM 53 52
9 AM 52 52
10 AM 52 52
11 AM -- 52
12 PM 52 52
1 PM 53 52
2 PM 54 52
3 PM 54 52
4 PM 53 52
5 PM 52 52
6 PM 51 52
7 PM 52 52
8 PM 54 52
9 PM 53 51
10 PM 53 50
11 PM 53 49
Weather and Ozone Data Tuesday April 15, 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 53 0.9 N -4.8 48 -- 0.0
1 AM 53 1.0 N -5.1 47 -- 0.0
2 AM 53 1.1 N -4.8 47 -- 0.0
3 AM 54 0.9 NW -4.1 44 -- 0.0
4 AM 54 1.0 N -5.0 48 -- 0.0
5 AM 54 0.9 N -4.9 48 -- 0.0
6 AM 54 0.9 N -4.5 45 -- 0.0
7 AM 53 0.9 N -4.5 47 -- 0.0
8 AM 53 1.0 N -3.5 44 -- 0.0
9 AM 52 1.2 SE -1.5 41 0 0.0
10 AM 52 2.5 S 0.9 36 0 0.0
11 AM -- -- -- -- -- -- --
12 PM 52 2.8 SW 3.0 35 282 0.0
1 PM 53 4.3 SW 2.7 35 316 0.0
2 PM 54 4.7 SW 2.2 43 402 0.0
3 PM 54 5.0 SW 2.0 46 356 0.0
4 PM 53 3.6 SW 1.1 59 177 0.0
5 PM 52 2.5 SW 0.1 68 124 0.0
6 PM 51 2.1 W -1.6 83 77 0.8
7 PM 52 1.8 NW -1.0 76 123 0.0
8 PM 54 2.0 N -2.5 81 17 0.0
9 PM 53 1.6 N -3.3 86 1 1.2
10 PM 53 1.0 NE -4.2 87 1 0.0
11 PM 53 1.2 NE -4.5 83 1 0.0
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updated on 04/16/2014 6:43 PM  I   http://nature.nps.gov/air/data/current/data_YELL-WT2.cfm   I  Email: Webmaster