National Park Service Arrowhead
Explore Air

Current Ozone and Weather Data in National Parks


Joshua Tree National Park - Pinto Wells, CA
Portable Ozone Monitor


Today's Data   Data Timelines   Ozone Health Advisory  
Ozone Tuesday March 31, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 45 44
1 AM 45 45
2 AM 44 46
3 AM 35 49
4 AM 39 53
5 AM 40 57
6 AM 49 60
7 AM 57 61
8 AM 54 61
9 AM 56 62
10 AM 65 62
11 AM 70 62
12 PM 69 61
1 PM 64 61
2 PM 58 61
3 PM 58 62
4 PM 58 62
5 PM 60 63
6 PM 62 63
7 PM 64 63
8 PM 65 63
9 PM 63 62
10 PM 67 61
11 PM 64 59
Weather and Ozone Data Tuesday March 31, 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 45 1.5 N 21.7 21 0 0.0
1 AM 45 1.0 NW 21.0 22 0 0.0
2 AM 44 1.7 NW 19.7 24 0 0.0
3 AM 35 2.4 NW 17.3 27 0 0.0
4 AM 39 2.8 NW 17.4 28 0 0.0
5 AM 40 2.9 NW 16.9 29 0 0.0
6 AM 49 2.5 NW 18.0 29 0 0.0
7 AM 57 2.1 NW 19.5 27 9 0.0
8 AM 54 1.7 NW 20.2 26 185 0.0
9 AM 56 2.1 NW 22.8 23 432 0.0
10 AM 65 1.6 W 26.4 18 645 0.0
11 AM 70 2.1 S 29.4 15 801 0.0
12 PM 69 4.2 S 31.0 14 918 0.0
1 PM 64 5.3 S 32.5 12 966 0.0
2 PM 58 6.5 SW 32.9 11 742 0.0
3 PM 58 7.0 S 32.8 11 783 0.0
4 PM 58 6.6 S 32.8 11 664 0.0
5 PM 60 6.0 S 32.6 10 434 0.0
6 PM 62 4.5 SW 32.7 10 335 0.0
7 PM 64 3.9 SW 31.3 11 77 0.0
8 PM 65 2.0 S 29.2 13 1 0.0
9 PM 63 3.3 NW 26.5 15 0 0.0
10 PM 67 2.5 NW 25.7 17 0 0.0
11 PM 64 3.7 NW 24.7 17 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 04/01/2015 10:40 AM  I   http://www.nature.nps.gov/air/data/current/data_JOTR-PW2.cfm   I  Email: Webmaster