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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 Sunday May 24, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 46 45
1 AM 47 46
2 AM 48 46
3 AM 46 46
4 AM 46 47
5 AM 44 48
6 AM 44 49
7 AM 45 50
8 AM 48 52
9 AM 49 53
10 AM 51 53
11 AM 52 54
12 PM 53 55
1 PM 54 55
2 PM 55 55
3 PM 56 55
4 PM 55 55
5 PM 55 55
6 PM 55 55
7 PM 57 55
8 PM 55 55
9 PM 55 55
10 PM 55 54
11 PM 55 54
Weather and Ozone Data Sunday May 24, 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 2.9 S 10.9 58 0 0.0
1 AM 47 3.0 S 10.3 57 0 0.0
2 AM 48 2.4 S 10.1 60 0 0.0
3 AM 46 1.8 S 10.0 63 0 0.0
4 AM 46 1.9 S 10.0 63 0 0.0
5 AM 44 2.7 S 8.7 63 0 0.0
6 AM 44 2.5 S 9.0 62 4 0.0
7 AM 45 0.6 SE 11.0 59 97 0.0
8 AM 48 2.8 NE 15.0 49 308 0.0
9 AM 49 4.1 NE 16.2 48 517 0.0
10 AM 51 4.7 NE 17.1 45 717 0.0
11 AM 52 4.2 NE 18.5 40 869 0.0
12 PM 53 5.1 NE 19.9 35 936 0.0
1 PM 54 4.1 NE 20.8 32 1029 0.0
2 PM 55 2.8 N 21.7 29 943 0.0
3 PM 56 3.7 NE 23.0 26 956 0.0
4 PM 55 2.5 E 22.7 28 724 0.0
5 PM 55 3.6 S 22.2 33 584 0.0
6 PM 55 4.6 SW 21.5 33 389 0.0
7 PM 57 4.6 SW 20.4 32 177 0.0
8 PM 55 4.0 SW 18.5 38 20 0.0
9 PM 55 4.1 SW 17.3 43 0 0.0
10 PM 55 4.8 SW 17.0 41 0 0.0
11 PM 55 4.8 SW 16.9 40 0 0.0
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updated on 05/25/2015 2:43 PM  I   http://www.nature.nps.gov/air/data/current/data_JOTR-BR2.cfm   I  Email: Webmaster