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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 Thursday July 27, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 49 41
1 AM 46 39
2 AM 44 37
3 AM 42 37
4 AM 38 37
5 AM 38 37
6 AM 37 38
7 AM 36 38
8 AM 34 39
9 AM 34 41
10 AM 43 43
11 AM 40 45
12 PM 40 48
1 PM 40 51
2 PM 42 54
3 PM 43 56
4 PM 46 58
5 PM 56 60
6 PM 60 61
7 PM 61 --
8 PM 62 --
9 PM 63 --
10 PM 62 --
11 PM 58 --
Weather and Ozone Data Thursday July 27, 2017
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 3.2 NE 20.1 52 0 0.0
1 AM 46 3.9 NE 19.9 53 0 0.0
2 AM 44 4.3 NE 19.4 55 0 0.0
3 AM 42 4.5 NE 18.9 55 0 0.0
4 AM 38 4.5 NE 18.6 54 0 0.0
5 AM 38 4.5 NE 18.2 53 0 0.0
6 AM 37 4.9 NE 18.2 50 0 0.0
7 AM 36 4.8 NE 18.0 48 45 0.0
8 AM 34 4.3 NE 18.8 46 231 0.0
9 AM 34 2.6 NE 20.5 42 430 0.0
10 AM 43 2.3 SW 22.3 41 618 0.0
11 AM 40 4.3 SW 22.6 43 783 0.0
12 PM 40 4.9 SW 23.8 40 899 0.0
1 PM 40 5.1 SW 24.9 34 962 0.0
2 PM 42 4.9 SW 25.9 30 968 0.0
3 PM 43 5.8 SW 26.5 30 914 0.0
4 PM 46 5.9 SW 26.7 29 809 0.0
5 PM 56 6.7 SW 26.7 28 651 0.0
6 PM 60 6.9 SW 26.3 28 465 0.0
7 PM 61 6.2 SW 25.5 30 281 0.0
8 PM 62 5.6 SW 24.4 30 97 0.0
9 PM 63 3.8 S 23.2 31 2 0.0
10 PM 62 1.5 SW 22.5 34 0 0.0
11 PM 58 2.8 NE 21.5 37 0 0.0
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updated on 07/28/2017 12:40 AM  I   http://www.nature.nps.gov/air/data/current/data_YOSE-TD2.cfm   I  Email: Webmaster