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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 March 28, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 71 67
1 AM 71 66
2 AM 68 65
3 AM 69 65
4 AM 68 64
5 AM 64 64
6 AM 64 64
7 AM 62 64
8 AM 63 65
9 AM 65 65
10 AM 66 65
11 AM 67 65
12 PM 66 66
1 PM 65 67
2 PM 65 67
3 PM 67 67
4 PM 62 67
5 PM 65 67
6 PM 69 67
7 PM 75 65
8 PM 69 63
9 PM 67 61
10 PM 67 60
11 PM 67 59
Weather and Ozone Data Saturday March 28, 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 71 3.9 W 19.6 25 0 0.0
1 AM 71 2.8 W 17.3 27 0 0.0
2 AM 68 4.6 SW 15.8 29 0 0.0
3 AM 69 4.4 SW 15.4 29 0 0.0
4 AM 68 4.2 SW 15.6 28 0 0.0
5 AM 64 4.1 SW 13.6 29 0 0.0
6 AM 64 3.8 SW 12.7 30 0 0.0
7 AM 62 3.7 SW 11.8 31 7 0.0
8 AM 63 1.2 SW 16.7 24 145 0.0
9 AM 65 1.6 W 21.7 18 369 0.0
10 AM 66 3.1 W 23.7 14 589 0.0
11 AM 67 2.7 W 24.3 14 769 0.0
12 PM 66 3.0 SW 25.4 11 899 0.0
1 PM 65 3.7 SW 26.2 9 962 0.0
2 PM 65 3.7 W 26.6 8 951 0.0
3 PM 67 4.1 W 26.7 9 789 0.0
4 PM 62 3.8 W 26.6 8 721 0.0
5 PM 65 3.7 W 26.2 9 519 0.0
6 PM 69 4.3 W 25.0 11 288 0.0
7 PM 75 4.3 W 23.0 16 42 0.0
8 PM 69 4.0 W 21.3 21 1 0.0
9 PM 67 4.2 W 21.0 20 0 0.0
10 PM 67 3.6 W 19.8 21 0 0.0
11 PM 67 4.1 W 19.9 19 0 0.0
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updated on 03/29/2015 5:40 AM  I   http://www.nature.nps.gov/air/data/current/data_JOTR-BR2.cfm   I  Email: Webmaster