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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 Tuesday March 31, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 50 50
1 AM 50 50
2 AM 50 50
3 AM 50 51
4 AM 51 50
5 AM 52 50
6 AM 53 50
7 AM 50 50
8 AM 51 50
9 AM 50 49
10 AM 51 49
11 AM 49 49
12 PM 51 50
1 PM 50 50
2 PM 48 50
3 PM -- 49
4 PM 49 49
5 PM 50 49
6 PM 50 50
7 PM 55 50
8 PM 50 50
9 PM 48 51
10 PM 47 51
11 PM 49 52
Weather and Ozone Data Tuesday March 31, 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 50 3.7 NE 13.0 40 0 0.0
1 AM 50 3.2 NE 12.4 39 0 0.0
2 AM 50 3.8 NE 11.9 38 0 0.0
3 AM 50 4.1 NE 11.7 39 0 0.0
4 AM 51 4.3 NE 11.2 38 0 0.0
5 AM 52 4.3 NE 10.8 38 0 0.0
6 AM 53 4.8 E 11.3 36 0 0.0
7 AM 50 3.2 NE 10.1 37 2 0.0
8 AM 51 2.4 NE 10.4 38 64 0.0
9 AM 50 2.0 NE 11.6 40 301 0.0
10 AM 51 2.2 SW 12.5 38 515 0.0
11 AM 49 4.7 SW 12.6 38 699 0.0
12 PM 51 4.4 SW 13.1 23 840 0.0
1 PM 50 4.5 SW 14.0 23 911 0.0
2 PM 48 6.3 SW 14.3 26 911 0.0
3 PM -- -- -- 14.4 26 849 0.0
4 PM 49 7.6 SW 14.0 28 726 0.0
5 PM 50 7.4 SW 13.6 30 556 0.0
6 PM 50 7.8 SW 12.6 41 345 0.0
7 PM 55 6.7 SW 11.3 41 131 0.0
8 PM 50 4.7 SW 9.3 54 7 0.0
9 PM 48 3.4 S 7.9 63 0 0.0
10 PM 47 1.6 SW 7.0 66 0 0.0
11 PM 49 1.3 SE 6.7 57 0 0.0
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updated on 04/01/2015 6:41 PM  I   http://www2.nature.nps.gov/air/data/current/data_YOSE-TD2.cfm   I  Email: Webmaster