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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 April 23, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 47 42
1 AM 44 41
2 AM 43 40
3 AM 41 41
4 AM 42 41
5 AM 42 42
6 AM 42 42
7 AM 40 42
8 AM 38 42
9 AM 38 44
10 AM 46 45
11 AM 45 45
12 PM 45 45
1 PM 43 46
2 PM 43 47
3 PM 45 48
4 PM 47 48
5 PM 48 47
6 PM 48 46
7 PM 48 45
8 PM 50 44
9 PM 52 42
10 PM 50 40
11 PM 44 38
Weather and Ozone Data Wednesday April 23, 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 47 1.5 E 2.8 61 0 0.0
1 AM 44 3.4 NE 2.8 62 0 0.0
2 AM 43 3.3 E 3.7 58 0 0.0
3 AM 41 2.8 NE 3.5 59 0 0.0
4 AM 42 3.3 NE 3.8 55 0 0.0
5 AM 42 3.2 NE 3.5 53 0 0.0
6 AM 42 3.4 NE 3.2 51 1 0.0
7 AM 40 3.7 NE 3.0 51 34 0.0
8 AM 38 3.3 NE 4.0 48 215 0.0
9 AM 38 1.8 NE 5.2 43 427 0.0
10 AM 46 2.6 SW 6.2 32 631 0.0
11 AM 45 4.9 SW 6.9 34 784 0.0
12 PM 45 5.7 SW 7.6 35 908 0.0
1 PM 43 6.0 SW 8.9 37 961 0.0
2 PM 43 6.8 SW 9.7 42 952 0.0
3 PM 45 7.2 SW 10.4 44 882 0.0
4 PM 47 7.1 SW 10.6 45 769 0.0
5 PM 48 6.4 SW 10.7 45 592 0.0
6 PM 48 6.6 SW 10.3 47 400 0.0
7 PM 48 5.2 SW 9.7 50 216 0.0
8 PM 50 4.5 SW 8.5 54 29 0.0
9 PM 52 3.5 SW 7.5 58 0 0.0
10 PM 50 2.3 NE 7.1 60 0 0.0
11 PM 44 1.4 E 7.1 61 0 0.0
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updated on 04/24/2014 8:42 PM  I   http://www2.nature.nps.gov/air/data/current/data_YOSE-TD2.cfm   I  Email: Webmaster