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Current Ozone and Weather Data in National Parks


Joshua Tree National Park - Black Rock, CA
Portable Ozone Monitor


Today's Data   Data Timelines   Ozone Health Advisory  
Ozone Friday December 9, 2016 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 38 34
1 AM 38 33
2 AM 35 33
3 AM 35 33
4 AM 32 34
5 AM 31 36
6 AM 31 37
7 AM 33 39
8 AM 34 41
9 AM 34 42
10 AM 39 44
11 AM 42 44
12 PM 44 45
1 PM 45 45
2 PM 45 44
3 PM 45 44
4 PM 47 43
5 PM 47 42
6 PM 44 41
7 PM 44 40
8 PM 43 39
9 PM 42 38
10 PM 41 37
11 PM 39 37
Weather and Ozone Data Friday December 9, 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 38 3.4 S 7.6 66 0 0.0
1 AM 38 3.0 SW 7.7 68 0 0.0
2 AM 35 3.2 S 6.1 73 0 0.0
3 AM 35 1.7 S 5.8 72 0 0.0
4 AM 32 2.8 S 4.4 79 0 0.0
5 AM 31 3.4 S 5.9 76 0 0.0
6 AM 31 2.0 S 5.0 78 0 0.0
7 AM 33 2.0 SW 6.7 77 6 0.0
8 AM 34 1.6 SW 10.4 65 101 0.0
9 AM 34 1.9 SW 11.8 59 247 0.0
10 AM 39 5.2 SW 13.6 50 404 0.0
11 AM 42 4.7 SW 14.4 47 454 0.0
12 PM 44 4.7 SW 14.7 46 473 0.0
1 PM 45 4.2 SW 14.4 46 359 0.0
2 PM 45 3.2 SW 14.4 45 297 0.0
3 PM 45 2.6 SW 14.3 47 219 0.0
4 PM 47 3.2 SW 12.9 49 81 0.0
5 PM 47 2.6 SW 11.0 53 7 0.0
6 PM 44 2.9 SW 9.5 60 0 0.0
7 PM 44 3.5 SW 10.1 60 0 0.0
8 PM 43 3.3 SW 9.7 61 0 0.0
9 PM 42 3.2 S 9.3 63 0 0.0
10 PM 41 3.3 S 8.6 66 0 0.0
11 PM 39 3.3 S 7.6 70 0 0.0
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updated on 12/10/2016 8:41 AM  I   http://nature.nps.gov/air/data/current/data_JOTR-BR2.cfm   I  Email: Webmaster