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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 March 2, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 48 47
1 AM 48 46
2 AM 47 46
3 AM 47 45
4 AM 47 45
5 AM 47 45
6 AM 46 45
7 AM 46 45
8 AM 45 45
9 AM 44 46
10 AM 44 46
11 AM 45 46
12 PM 46 46
1 PM 47 46
2 PM 47 46
3 PM 47 46
4 PM 48 46
5 PM 47 45
6 PM 47 45
7 PM 46 44
8 PM 45 43
9 PM 46 42
10 PM 46 42
11 PM 46 41
Weather and Ozone Data Monday March 2, 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 48 1.0 NW -15.7 61 0 0.0
1 AM 48 0.9 W -15.7 62 0 0.0
2 AM 47 0.5 N -15.0 65 0 0.0
3 AM 47 0.7 NW -16.7 71 0 0.0
4 AM 47 0.6 W -17.6 71 0 0.0
5 AM 47 0.6 NW -18.5 77 0 0.0
6 AM 46 0.6 NW -18.5 79 0 0.0
7 AM 46 0.6 NW -18.9 84 1 0.0
8 AM 45 0.7 SE -18.6 83 42 0.0
9 AM 44 0.9 SE -13.0 62 239 0.0
10 AM 44 1.2 SE -7.3 49 369 0.0
11 AM 45 1.4 SE -3.2 49 539 0.0
12 PM 46 1.9 S 0.1 50 634 0.0
1 PM 47 2.0 S 1.7 48 585 0.0
2 PM 47 1.9 SE 2.6 43 574 0.0
3 PM 47 1.5 SE 2.0 37 347 0.0
4 PM 48 1.3 S 0.2 35 176 0.0
5 PM 47 1.6 S -1.4 41 72 0.0
6 PM 47 1.6 SW -3.2 61 20 0.0
7 PM 46 0.8 SE -4.3 89 1 0.2
8 PM 45 0.7 E -4.8 92 0 0.0
9 PM 46 1.2 NE -5.8 85 0 0.0
10 PM 46 1.0 NE -6.6 86 0 0.1
11 PM 46 1.1 N -7.1 87 0 0.1
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updated on 03/03/2015 10:40 AM  I   http://www.nature.nps.gov/air/data/current/data_YELL-WT2.cfm   I  Email: Webmaster