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Current Ozone and Weather Data in National Parks


Yosemite National Park - Turtleback Dome, CA
EPA AQS Site Number: 06-043-0003


Today's Data   Data Timelines   Ozone Health Advisory  
Ozone Wednesday May 23, 2012 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 57 56
1 AM 55 56
2 AM 54 56
3 AM 54 58
4 AM 55 59
5 AM 57 59
6 AM 59 59
7 AM 58 59
8 AM 57 59
9 AM 60 60
10 AM 65 59
11 AM 63 59
12 PM 56 59
1 PM 58 60
2 PM 58 60
3 PM 60 61
4 PM 60 60
5 PM 59 59
6 PM 61 58
7 PM 62 56
8 PM 64 56
9 PM 62 54
10 PM 60 --
11 PM 55 --
Weather and Ozone Data Wednesday May 23, 2012
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 57 3.9 NE 12.3 56 0 0.0
1 AM 55 4.3 NE 12.4 52 0 0.0
2 AM 54 3.9 NE 11.8 52 0 0.0
3 AM 54 4.8 NE 11.6 49 0 0.0
4 AM 55 4.5 NE 11.0 48 0 0.0
5 AM 57 4.3 NE 10.7 45 0 0.0
6 AM 59 4.6 NE 10.6 43 3 0.0
7 AM 58 4.2 NE 10.4 42 104 0.0
8 AM 57 3.1 NE 11.9 39 313 0.0
9 AM 60 1.3 SW 12.8 38 515 0.0
10 AM 65 2.5 SW 14.0 33 695 0.0
11 AM 63 6.7 SW 14.2 36 838 0.0
12 PM 56 7.1 SW 14.4 46 931 0.0
1 PM 58 6.9 SW 15.3 46 975 0.0
2 PM 58 6.9 SW 15.9 42 970 0.0
3 PM 60 6.7 SW 15.8 36 918 0.0
4 PM 60 6.4 SW 16.3 36 809 0.0
5 PM 59 6.8 SW 16.4 36 648 0.0
6 PM 61 6.8 SW 15.7 35 464 0.0
7 PM 62 6.2 SW 14.7 38 265 0.0
8 PM 64 5.5 SW 13.5 39 77 0.0
9 PM 62 3.3 SW 12.3 42 2 0.0
10 PM 60 1.6 SW 11.7 45 0 0.0
11 PM 55 1.9 NE 10.8 50 0 0.0
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updated on 05/24/2012 3:40 AM  I   http://www.nature.nps.gov/air/data/current/data_YOTD2.cfm   I  Email: Webmaster