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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 Monday August 31, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 32 29
1 AM 31 29
2 AM 31 29
3 AM 30 29
4 AM 30 29
5 AM 28 30
6 AM 27 31
7 AM 27 33
8 AM 30 36
9 AM 32 39
10 AM 33 42
11 AM 32 44
12 PM 34 47
1 PM 38 50
2 PM 45 53
3 PM 51 55
4 PM 51 55
5 PM 53 56
6 PM 53 55
7 PM 56 55
8 PM 60 54
9 PM 60 53
10 PM 58 52
11 PM 56 51
Weather and Ozone Data Monday August 31, 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 32 4.0 SW 25.4 26 0 0.0
1 AM 31 2.2 S 24.5 25 0 0.0
2 AM 31 1.8 S 22.3 29 0 0.0
3 AM 30 2.8 S 21.1 30 0 0.0
4 AM 30 1.8 S 21.2 30 0 0.0
5 AM 28 2.7 SW 22.4 27 0 0.0
6 AM 27 2.9 S 21.5 29 0 0.0
7 AM 27 1.6 S 19.7 31 14 0.0
8 AM 30 0.8 SW 22.4 31 194 0.0
9 AM 32 1.8 N 25.2 27 431 0.0
10 AM 33 2.5 W 27.5 18 639 0.0
11 AM 32 2.7 SW 29.2 14 808 0.0
12 PM 34 3.1 SW 29.7 14 917 0.0
1 PM 38 3.8 SW 30.5 14 965 0.0
2 PM 45 4.0 S 31.0 15 964 0.0
3 PM 51 4.1 S 31.0 17 839 0.0
4 PM 51 4.3 S 31.3 15 713 0.0
5 PM 53 4.4 S 30.7 15 522 0.0
6 PM 53 4.6 SW 29.5 15 301 0.0
7 PM 56 5.1 SW 27.8 17 79 0.0
8 PM 60 4.7 SW 26.4 21 2 0.0
9 PM 60 5.1 SW 25.5 23 0 0.0
10 PM 58 5.0 SW 24.6 25 0 0.0
11 PM 56 4.4 SW 24.2 26 0 0.0
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updated on 09/01/2015 7:40 AM  I   http://nature.nps.gov/air/data/current/data_JOTR-BR2.cfm   I  Email: Webmaster