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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 Wednesday February 25, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 46 44
1 AM 42 43
2 AM 44 44
3 AM 44 44
4 AM 44 45
5 AM 46 46
6 AM 44 46
7 AM 43 47
8 AM 43 48
9 AM 46 49
10 AM 48 49
11 AM 48 49
12 PM 50 49
1 PM 50 48
2 PM 51 47
3 PM 51 46
4 PM 51 44
5 PM 50 43
6 PM 46 43
7 PM 43 43
8 PM 43 43
9 PM 44 43
10 PM 42 44
11 PM 40 44
Weather and Ozone Data Wednesday February 25, 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 46 3.3 S 3.8 38 0 0.0
1 AM 42 4.8 SW 4.9 33 0 0.0
2 AM 44 4.7 S 5.6 31 0 0.0
3 AM 44 4.9 S 5.9 32 0 0.0
4 AM 44 4.8 S 6.2 29 0 0.0
5 AM 46 4.6 S 6.5 29 0 0.0
6 AM 44 4.7 SW 6.3 30 0 0.0
7 AM 43 4.4 S 5.8 32 16 0.0
8 AM 43 2.3 SW 11.1 24 217 0.0
9 AM 46 1.9 NE 14.6 17 427 0.0
10 AM 48 2.9 NE 16.0 16 610 0.0
11 AM 48 2.6 NE 15.2 17 741 0.0
12 PM 50 2.6 NE 16.3 16 811 0.0
1 PM 50 2.6 NE 17.1 17 811 0.0
2 PM 51 2.1 NE 17.5 16 672 0.0
3 PM 51 2.4 NE 18.2 15 606 0.0
4 PM 51 2.3 NE 18.1 16 421 0.0
5 PM 50 2.4 NE 16.8 19 125 0.0
6 PM 46 1.0 N 12.9 27 8 0.0
7 PM 43 1.3 SW 9.1 37 0 0.0
8 PM 43 3.0 SW 8.4 37 0 0.0
9 PM 44 3.1 SW 8.7 36 0 0.0
10 PM 42 4.1 S 7.4 41 0 0.0
11 PM 40 4.3 SW 7.7 41 0 0.0
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updated on 02/26/2015 3:44 PM  I   http://www2.nature.nps.gov/air/data/current/data_JOTR-BR2.cfm   I  Email: Webmaster