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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 18, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 50 49
1 AM 51 50
2 AM 49 51
3 AM 47 52
4 AM 47 53
5 AM 48 55
6 AM 53 56
7 AM 54 58
8 AM 57 59
9 AM 58 59
10 AM 57 60
11 AM 56 60
12 PM 59 60
1 PM 61 60
2 PM 62 59
3 PM 63 58
4 PM 63 57
5 PM 60 56
6 PM 59 56
7 PM 57 55
8 PM 55 55
9 PM 56 55
10 PM 56 55
11 PM 56 55
Weather and Ozone Data Friday April 18, 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 50 4.5 SW 15.9 31 0 0.0
1 AM 51 3.8 SW 15.4 29 0 0.0
2 AM 49 5.2 SW 15.2 33 0 0.0
3 AM 47 5.1 SW 14.5 41 0 0.0
4 AM 47 4.3 SW 14.2 40 0 0.0
5 AM 48 3.7 SW 13.9 41 0 0.0
6 AM 53 2.9 SW 14.1 42 0 0.0
7 AM 54 2.7 SW 14.2 35 17 0.0
8 AM 57 2.1 S 14.2 37 108 0.0
9 AM 58 4.1 S 15.0 37 201 0.0
10 AM 57 4.1 S 14.9 40 401 0.0
11 AM 56 3.5 S 14.9 43 537 0.0
12 PM 59 4.0 SW 16.4 34 558 0.0
1 PM 61 3.8 S 17.8 31 815 0.0
2 PM 62 3.6 SW 18.7 29 836 0.0
3 PM 63 4.1 S 19.2 30 786 0.0
4 PM 63 4.6 SW 18.7 31 341 0.0
5 PM 60 5.3 S 18.1 29 242 0.0
6 PM 59 5.9 S 17.5 34 209 0.0
7 PM 57 5.6 SW 16.2 43 84 0.0
8 PM 55 4.6 S 14.8 48 5 0.0
9 PM 56 3.2 SW 14.5 46 0 0.0
10 PM 56 3.0 SW 14.6 45 0 0.0
11 PM 56 4.0 S 15.1 45 0 0.0
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updated on 04/19/2014 10:42 AM  I   http://www2.nature.nps.gov/air/data/current/data_JOTR-BR2.cfm   I  Email: Webmaster