National Park Service Arrowhead
Explore Air

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 Sunday May 3, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 63 55
1 AM 62 54
2 AM 58 52
3 AM 55 52
4 AM 53 52
5 AM 52 52
6 AM 52 52
7 AM 51 53
8 AM 49 54
9 AM 48 55
10 AM 56 56
11 AM 55 57
12 PM 54 58
1 PM 54 59
2 PM 57 60
3 PM 59 60
4 PM 59 60
5 PM 60 60
6 PM 62 60
7 PM 64 58
8 PM 62 57
9 PM 60 55
10 PM 60 54
11 PM 59 53
Weather and Ozone Data Sunday May 3, 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 63 3.7 NE 14.4 25 0 0.0
1 AM 62 4.0 E 13.9 26 0 0.0
2 AM 58 4.2 NE 12.2 31 0 0.0
3 AM 55 5.4 NE 11.2 34 0 0.0
4 AM 53 5.5 NE 10.7 35 0 0.0
5 AM 52 5.3 NE 10.4 36 0 0.0
6 AM 52 5.4 NE 10.0 37 1 0.0
7 AM 51 5.4 NE 10.1 38 56 0.0
8 AM 49 4.7 NE 11.0 37 249 0.0
9 AM 48 3.0 NE 13.0 35 460 0.0
10 AM 56 2.2 SW 15.0 27 659 0.0
11 AM 55 4.7 SW 15.3 28 822 0.0
12 PM 54 5.4 SW 16.2 27 931 0.0
1 PM 54 6.2 SW 17.1 25 986 0.0
2 PM 57 6.8 SW 17.4 25 984 0.0
3 PM 59 6.9 SW 17.5 26 926 0.0
4 PM 59 7.0 SW 17.5 27 806 0.0
5 PM 60 6.7 SW 17.4 27 638 0.0
6 PM 62 6.2 SW 17.2 28 441 0.0
7 PM 64 5.9 SW 16.6 28 234 0.0
8 PM 62 4.6 SW 15.5 30 50 0.0
9 PM 60 2.2 SW 14.4 32 1 0.0
10 PM 60 1.3 SW 14.0 33 0 0.0
11 PM 59 1.4 NE 13.5 34 0 0.0
U.S. Department of the Interior Accessibility Freedom of Information Act USA.gov Search
Privacy Policy Disclaimer NPS Home Contact Us
updated on 05/04/2015 6:49 PM  I   http://nature.nps.gov/air/data/current/data_YOSE-TD2.cfm   I  Email: Webmaster