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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 Thursday February 11, 2016 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 43 42
1 AM 42 41
2 AM 42 41
3 AM 43 41
4 AM 42 41
5 AM 41 42
6 AM 41 42
7 AM 42 43
8 AM 40 44
9 AM 42 45
10 AM 43 45
11 AM 43 45
12 PM 45 45
1 PM 46 45
2 PM 47 44
3 PM 48 44
4 PM 48 43
5 PM 46 42
6 PM 42 42
7 PM 43 42
8 PM 42 42
9 PM 42 43
10 PM 42 43
11 PM 42 44
Weather and Ozone Data Thursday February 11, 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 43 4.4 SW 9.6 30 0 0.0
1 AM 42 4.5 SW 9.4 31 0 0.0
2 AM 42 4.6 S 8.8 31 0 0.0
3 AM 43 4.2 SW 9.3 29 0 0.0
4 AM 42 4.3 SW 9.2 30 0 0.0
5 AM 41 4.6 SW 8.3 33 0 0.0
6 AM 41 4.7 S 7.5 34 0 0.0
7 AM 42 4.7 S 7.0 36 5 0.0
8 AM 40 3.4 S 10.4 33 120 0.0
9 AM 42 1.2 NE 15.7 23 342 0.0
10 AM 43 1.5 N 17.1 21 527 0.0
11 AM 43 2.0 N 18.2 21 663 0.0
12 PM 45 2.1 N 19.4 19 740 0.0
1 PM 46 2.0 N 20.5 18 752 0.0
2 PM 47 2.2 N 20.9 18 648 0.0
3 PM 48 2.2 N 21.2 18 549 0.0
4 PM 48 1.6 N 20.7 18 390 0.0
5 PM 46 1.5 W 15.7 26 69 0.0
6 PM 42 3.4 S 12.9 29 5 0.0
7 PM 43 4.6 S 11.7 29 0 0.0
8 PM 42 4.8 S 11.1 31 0 0.0
9 PM 42 4.9 S 10.8 31 0 0.0
10 PM 42 4.8 S 9.8 33 0 0.0
11 PM 42 5.1 S 9.7 33 0 0.0
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updated on 02/12/2016 4:40 PM  I   http://www2.nature.nps.gov/air/data/current/data_JOTR-BR2.cfm   I  Email: Webmaster