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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 Saturday July 4, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 53 45
1 AM 49 44
2 AM 46 43
3 AM 46 42
4 AM 43 44
5 AM 41 46
6 AM 41 48
7 AM 42 50
8 AM 46 52
9 AM 40 53
10 AM 44 55
11 AM 58 57
12 PM 56 57
1 PM 57 57
2 PM 57 58
3 PM 58 58
4 PM 58 58
5 PM 58 57
6 PM 58 55
7 PM 58 55
8 PM 59 55
9 PM 60 --
10 PM 58 --
11 PM 57 --
Weather and Ozone Data Saturday July 4, 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 53 4.0 NE 21.4 48 0 0.0
1 AM 49 4.7 NE 21.0 51 0 0.0
2 AM 46 5.3 NE 20.5 52 0 0.0
3 AM 46 4.5 NE 20.1 53 0 0.0
4 AM 43 4.7 NE 19.8 55 0 0.0
5 AM 41 4.8 NE 19.6 55 0 0.0
6 AM 41 4.0 NE 19.5 55 2 0.0
7 AM 42 4.7 NE 19.8 54 36 0.0
8 AM 46 3.7 NE 20.4 52 73 0.0
9 AM 40 3.1 NE 20.8 53 405 0.0
10 AM 44 1.5 NE 22.7 47 445 0.0
11 AM 58 3.0 SW 24.2 37 802 0.0
12 PM 56 4.4 SW 24.9 34 600 0.0
1 PM 57 3.0 SW 25.8 32 709 0.0
2 PM 57 4.6 SW 27.3 30 961 0.0
3 PM 58 7.5 SW 27.7 31 928 0.0
4 PM 58 6.7 SW 27.7 31 851 0.0
5 PM 58 7.3 SW 27.7 31 697 0.0
6 PM 58 6.9 SW 27.3 32 498 0.0
7 PM 58 6.4 SW 26.7 34 318 0.0
8 PM 59 5.7 SW 25.7 37 129 0.0
9 PM 60 4.4 S 24.4 41 8 0.0
10 PM 58 2.9 SW 23.4 46 0 0.0
11 PM 57 1.6 NE 22.8 47 0 0.0
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updated on 07/05/2015 2:41 AM  I   http://www2.nature.nps.gov/air/data/current/data_YOSE-TD2.cfm   I  Email: Webmaster