National Park Service Arrowhead
Explore Air

Current Ozone and Weather Data in National Parks


Joshua Tree National Park - Cottonwood Canyon, CA
EPA AQS Site Number:


Today's Data   Data Timelines   Ozone Health Advisory  
Ozone Friday August 26, 2016 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 41 35
1 AM 37 33
2 AM 36 32
3 AM 36 32
4 AM 32 31
5 AM 36 32
6 AM 33 32
7 AM 31 32
8 AM 27 34
9 AM 29 37
10 AM 34 39
11 AM -- 41
12 PM 36 42
1 PM 35 44
2 PM 37 47
3 PM 43 48
4 PM 47 47
5 PM 46 45
6 PM 48 44
7 PM 50 42
8 PM 52 41
9 PM 54 38
10 PM 48 36
11 PM 35 34
Weather and Ozone Data Friday August 26, 2016
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 41 2.3 S 26.5 31 0 0.0
1 AM 37 2.2 S 25.8 36 0 0.0
2 AM 36 2.9 S 25.1 37 0 0.0
3 AM 36 2.0 S 24.3 39 0 0.0
4 AM 32 2.8 S 23.1 45 0 0.0
5 AM 36 2.1 S 22.5 50 0 0.0
6 AM 33 2.5 S 21.8 58 0 0.0
7 AM 31 2.8 S 21.5 66 27 0.0
8 AM 27 2.6 S 22.0 76 155 0.0
9 AM 29 2.6 S 23.7 71 402 0.0
10 AM 34 3.3 S 25.3 61 592 0.0
11 AM -- 3.6 S 26.2 58 750 0.0
12 PM 36 3.5 S 26.7 56 851 0.0
1 PM 35 3.5 S 27.8 54 854 0.0
2 PM 37 3.7 S 27.4 53 360 0.0
3 PM 43 3.4 SW 28.9 44 766 0.0
4 PM 47 3.2 S 30.0 35 747 0.0
5 PM 46 3.4 S 30.1 33 500 0.0
6 PM 48 3.5 S 29.2 30 163 0.0
7 PM 50 3.1 S 28.8 29 26 0.0
8 PM 52 2.8 SW 27.9 32 2 0.0
9 PM 54 3.0 S 27.2 35 0 0.0
10 PM 48 3.7 S 26.6 37 0 0.0
11 PM 35 2.5 S 25.5 44 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 08/27/2016 5:43 AM  I   http://www.nature.nps.gov/air/data/current/data_JOTR-CC2.cfm   I  Email: Webmaster