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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 Tuesday October 21, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 50 47
1 AM 51 46
2 AM 51 44
3 AM 47 43
4 AM 46 42
5 AM 45 42
6 AM 44 42
7 AM 43 43
8 AM 41 45
9 AM 41 47
10 AM 40 48
11 AM 39 51
12 PM 45 54
1 PM 49 56
2 PM 53 57
3 PM 55 58
4 PM 58 58
5 PM -- 57
6 PM 59 57
7 PM 59 56
8 PM 60 56
9 PM 61 55
10 PM 57 54
11 PM 54 53
Weather and Ozone Data Tuesday October 21, 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 3.2 SW 19.8 32 0 0.0
1 AM 51 3.3 SW 19.0 36 0 0.0
2 AM 51 2.7 SW 19.1 36 0 0.0
3 AM 47 1.4 S 18.0 35 0 0.0
4 AM 46 1.8 S 17.6 35 0 0.0
5 AM 45 1.8 SW 17.3 38 0 0.0
6 AM 44 2.3 SW 17.1 40 0 0.0
7 AM 43 2.0 S 16.2 42 1 0.0
8 AM 41 2.5 S 16.1 44 70 0.0
9 AM 41 1.8 NE 18.3 36 288 0.0
10 AM 40 2.1 N 19.4 34 482 0.0
11 AM 39 2.8 SW 21.7 25 642 0.0
12 PM 45 3.0 SW 22.3 25 741 0.0
1 PM 49 3.5 SW 22.6 22 780 0.0
2 PM 53 2.5 S 23.3 22 743 0.0
3 PM 55 3.0 S 23.6 19 576 0.0
4 PM 58 3.7 S 23.4 17 459 0.0
5 PM -- 3.8 SW 22.8 19 221 0.0
6 PM 59 2.7 SW 21.2 23 44 0.0
7 PM 59 3.3 SW 19.8 29 1 0.0
8 PM 60 3.5 SW 18.9 29 0 0.0
9 PM 61 2.3 SW 19.0 27 0 0.0
10 PM 57 2.3 S 18.8 22 0 0.0
11 PM 54 2.9 S 18.3 19 0 0.0
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updated on 10/22/2014 8:40 PM  I   http://nature.nps.gov/air/data/current/data_JOTR-BR2.cfm   I  Email: Webmaster