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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 19, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 32 31
1 AM 32 31
2 AM 31 32
3 AM 29 34
4 AM 31 36
5 AM 31 38
6 AM 32 39
7 AM 33 41
8 AM 35 42
9 AM 41 43
10 AM 43 44
11 AM 44 43
12 PM 45 43
1 PM 45 43
2 PM 45 42
3 PM 45 42
4 PM 43 41
5 PM 42 40
6 PM 41 39
7 PM 42 38
8 PM 41 36
9 PM 41 35
10 PM 41 33
11 PM 40 33
Weather and Ozone Data Friday December 19, 2014
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 32 4.0 S 1.4 78 0 0.0
1 AM 32 4.2 S 1.3 77 0 0.0
2 AM 31 4.0 S 1.1 78 0 0.0
3 AM 29 3.7 S 0.8 79 0 0.0
4 AM 31 4.0 S 0.5 81 0 0.0
5 AM 31 3.9 S 1.0 79 0 0.0
6 AM 32 3.7 S 1.2 79 0 0.0
7 AM 33 3.4 S 1.8 77 2 0.0
8 AM 35 3.0 S 1.9 78 46 0.0
9 AM 41 2.4 S 6.5 61 232 0.0
10 AM 43 2.2 S 8.8 47 429 0.0
11 AM 44 3.6 SW 9.5 46 530 0.0
12 PM 45 4.0 SW 9.9 44 577 0.0
1 PM 45 4.0 SW 10.3 41 562 0.0
2 PM 45 4.0 S 10.2 45 436 --
3 PM 45 2.8 S 10.2 47 374 0.0
4 PM 43 1.9 S 9.1 54 80 0.0
5 PM 42 2.3 SW 7.8 59 11 0.0
6 PM 41 2.9 S 7.1 63 0 0.0
7 PM 42 3.5 S 7.4 63 0 0.0
8 PM 41 3.6 S 6.8 65 0 0.0
9 PM 41 3.5 S 6.2 69 0 0.0
10 PM 41 2.5 S 6.4 67 0 0.0
11 PM 40 1.8 S 5.6 66 0 0.0
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updated on 12/20/2014 9:39 PM  I   http://www.nature.nps.gov/air/data/current/data_JOTR-BR2.cfm   I  Email: Webmaster