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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 April 17, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 55 52
1 AM 55 52
2 AM 56 52
3 AM 55 52
4 AM 53 52
5 AM 50 53
6 AM 49 54
7 AM 50 55
8 AM 52 56
9 AM 53 57
10 AM 54 57
11 AM 61 58
12 PM 58 58
1 PM 57 58
2 PM 58 59
3 PM 58 60
4 PM 57 60
5 PM 59 60
6 PM 59 60
7 PM 59 61
8 PM 64 61
9 PM 62 60
10 PM 62 60
11 PM 60 60
Weather and Ozone Data Friday April 17, 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 55 3.1 SW 10.2 20 0 0.0
1 AM 55 3.2 SW 11.0 18 0 0.0
2 AM 56 3.6 SW 11.4 17 0 0.0
3 AM 55 4.1 S 10.5 19 0 0.0
4 AM 53 3.6 SW 9.6 21 0 0.0
5 AM 50 4.3 S 7.8 22 0 0.0
6 AM 49 4.6 S 7.3 22 0 0.0
7 AM 50 3.7 S 7.4 22 37 0.0
8 AM 52 1.6 NE 13.5 15 223 0.0
9 AM 53 4.6 N 16.2 14 445 0.0
10 AM 54 6.0 N 17.3 15 654 0.0
11 AM 61 6.3 N 18.2 13 827 0.0
12 PM 58 6.1 N 19.4 13 947 0.0
1 PM 57 5.6 N 20.1 12 1000 0.0
2 PM 58 4.8 N 21.0 11 986 0.0
3 PM 58 5.5 N 21.8 10 892 0.0
4 PM 57 5.7 N 22.0 10 761 0.0
5 PM 59 5.2 N 21.8 10 569 0.0
6 PM 59 4.9 N 21.2 10 340 0.0
7 PM 59 2.8 NW 19.7 11 99 0.0
8 PM 64 2.1 SW 15.5 18 4 0.0
9 PM 62 2.9 SW 13.7 22 0 0.0
10 PM 62 3.4 SW 13.4 21 0 0.0
11 PM 60 3.1 SW 13.7 22 0 0.0
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updated on 04/18/2015 8:39 AM  I   http://nature.nps.gov/air/data/current/data_JOTR-BR2.cfm   I  Email: Webmaster