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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 Friday April 17, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 49 50
1 AM 49 50
2 AM 52 50
3 AM 51 51
4 AM 51 51
5 AM 51 52
6 AM 51 53
7 AM 51 54
8 AM 50 55
9 AM 50 56
10 AM 55 57
11 AM 56 59
12 PM 57 60
1 PM 56 60
2 PM 58 61
3 PM 59 61
4 PM 60 60
5 PM 62 60
6 PM 64 58
7 PM 64 57
8 PM 62 56
9 PM 60 54
10 PM 58 53
11 PM 57 51
Weather and Ozone Data Friday April 17, 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 49 2.7 NE 9.4 45 0 0.0
1 AM 49 3.4 NE 8.7 44 0 0.0
2 AM 52 4.0 NE 8.5 38 0 0.0
3 AM 51 4.8 NE 7.8 36 0 0.0
4 AM 51 4.5 NE 7.5 37 0 0.0
5 AM 51 5.0 NE 7.0 38 0 0.0
6 AM 51 4.8 NE 6.6 37 0 0.0
7 AM 51 5.0 NE 6.4 36 22 0.0
8 AM 50 4.8 NE 7.0 34 192 0.0
9 AM 50 2.4 NE 8.9 31 408 0.0
10 AM 55 2.1 SW 11.0 34 613 0.0
11 AM 56 4.6 SW 11.8 33 783 0.0
12 PM 57 4.7 SW 12.9 30 901 0.0
1 PM 56 6.0 SW 14.0 29 958 0.0
2 PM 58 6.3 SW 15.0 29 953 0.0
3 PM 59 6.7 SW 15.7 28 892 0.0
4 PM 60 6.8 SW 16.1 27 772 0.0
5 PM 62 6.8 SW 16.0 27 601 0.0
6 PM 64 6.4 SW 15.8 27 397 0.0
7 PM 64 5.7 SW 15.0 29 186 0.0
8 PM 62 3.9 SW 13.8 33 20 0.0
9 PM 60 1.9 S 12.9 37 0 0.0
10 PM 58 4.2 NE 12.2 38 0 0.0
11 PM 57 1.7 E 11.7 39 0 0.0
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updated on 04/18/2015 2:40 PM  I   http://www.nature.nps.gov/air/data/current/data_YOSE-TD2.cfm   I  Email: Webmaster