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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 Saturday April 19, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 55 54
1 AM 54 53
2 AM 55 53
3 AM 55 54
4 AM 56 54
5 AM 56 55
6 AM 53 55
7 AM 49 56
8 AM 51 58
9 AM 55 60
10 AM 57 62
11 AM 59 63
12 PM 60 65
1 PM 61 66
2 PM 63 67
3 PM 63 67
4 PM 65 67
5 PM 69 67
6 PM 70 66
7 PM 69 65
8 PM 70 64
9 PM 68 63
10 PM 66 62
11 PM 65 61
Weather and Ozone Data Saturday April 19, 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 55 4.8 S 14.9 49 0 0.0
1 AM 54 4.5 S 14.5 51 0 0.0
2 AM 55 4.4 SW 14.1 54 0 0.0
3 AM 55 4.2 SW 13.6 55 0 0.0
4 AM 56 3.8 SW 13.4 55 0 0.0
5 AM 56 3.0 SW 13.4 55 0 0.0
6 AM 53 2.6 S 12.0 59 0 0.0
7 AM 49 3.4 S 11.0 58 31 0.0
8 AM 51 1.4 S 14.3 47 220 0.0
9 AM 55 1.6 N 16.2 40 440 0.0
10 AM 57 2.2 N 17.3 36 645 0.0
11 AM 59 2.3 NE 18.5 32 819 0.0
12 PM 60 2.3 N 19.6 29 951 0.0
1 PM 61 2.2 SW 20.7 28 1050 0.0
2 PM 63 3.9 S 20.8 29 634 0.0
3 PM 63 3.1 S 21.1 28 567 0.0
4 PM 65 3.4 S 21.4 28 542 0.0
5 PM 69 3.7 SW 20.7 33 234 0.0
6 PM 70 3.8 S 20.8 33 306 0.0
7 PM 69 3.9 SW 19.8 36 96 0.0
8 PM 70 4.2 SW 18.4 41 4 0.0
9 PM 68 4.1 SW 17.4 44 0 0.0
10 PM 66 4.1 SW 17.0 44 0 0.0
11 PM 65 3.8 SW 16.7 44 0 0.0
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updated on 04/20/2014 4:41 PM  I   http://nature.nps.gov/air/data/current/data_JOTR-BR2.cfm   I  Email: Webmaster