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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 April 29, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 61 60
1 AM 60 60
2 AM 60 60
3 AM 62 59
4 AM 65 59
5 AM 60 58
6 AM 59 57
7 AM 58 57
8 AM 57 56
9 AM 59 55
10 AM 58 54
11 AM 58 54
12 PM 57 53
1 PM 56 53
2 PM 55 53
3 PM 51 53
4 PM 51 52
5 PM 52 51
6 PM 53 50
7 PM 54 49
8 PM 56 48
9 PM 55 47
10 PM 52 46
11 PM 47 45
Weather and Ozone Data Saturday April 29, 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 61 0.9 NW 8.1 18 0 0.0
1 AM 60 1.8 E 8.1 16 0 0.0
2 AM 60 2.8 NE 7.7 17 0 0.0
3 AM 62 4.2 NE 7.5 17 0 0.0
4 AM 65 3.6 E 7.4 17 0 0.0
5 AM 60 4.1 NE 5.7 26 0 0.0
6 AM 59 4.9 NE 5.0 29 0 0.0
7 AM 58 4.4 NE 5.0 33 62 0.0
8 AM 57 3.9 NE 5.8 32 274 0.0
9 AM 59 2.6 NE 7.5 27 482 0.0
10 AM 58 3.0 SW 9.3 26 663 0.0
11 AM 58 5.5 SW 9.9 26 803 0.0
12 PM 57 5.4 SW 10.9 26 890 0.0
1 PM 56 5.6 SW 12.1 26 927 0.0
2 PM 55 6.3 SW 13.1 28 914 0.0
3 PM 51 6.8 SW 13.3 34 842 0.0
4 PM 51 6.4 SW 13.6 36 716 0.0
5 PM 52 6.1 SW 14.1 37 552 0.0
6 PM 53 5.7 SW 14.1 38 365 0.0
7 PM 54 5.5 SW 13.4 41 176 0.0
8 PM 56 4.0 SW 12.1 45 24 0.0
9 PM 55 2.7 SW 11.0 52 0 0.0
10 PM 52 3.5 NE 10.5 54 0 0.0
11 PM 47 4.8 NE 10.3 54 0 0.0
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updated on 04/30/2017 7:43 PM  I   http://www.nature.nps.gov/air/data/current/data_YOSE-TD2.cfm   I  Email: Webmaster