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Current Ozone and Weather Data in National Parks


Joshua Tree National Park - Pinto Wells, CA
Portable Ozone Monitor


Today's Data   Data Timelines   Ozone Health Advisory  
Ozone Friday October 20, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 62 53
1 AM 57 50
2 AM 56 48
3 AM 60 45
4 AM 53 42
5 AM 49 41
6 AM 44 39
7 AM 43 38
8 AM 39 37
9 AM 40 38
10 AM 37 39
11 AM 37 40
12 PM 39 42
1 PM 36 42
2 PM 35 44
3 PM 40 45
4 PM 42 45
5 PM 46 45
6 PM 49 44
7 PM 49 42
8 PM 46 41
9 PM 46 40
10 PM 42 40
11 PM 41 40
Weather and Ozone Data Friday October 20, 2017
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 62 3.4 NW 24.2 29 0 0.0
1 AM 57 3.6 NW 23.1 31 0 0.0
2 AM 56 2.6 NW 21.8 34 0 0.0
3 AM 60 3.5 NW 21.6 38 0 0.0
4 AM 53 2.0 NW 20.9 41 0 0.0
5 AM 49 1.6 N 20.7 42 0 0.0
6 AM 44 2.1 NW 19.2 46 0 0.0
7 AM 43 1.4 N 18.6 47 2 0.0
8 AM 39 1.8 NW 18.5 48 74 0.0
9 AM 40 3.2 NW 22.2 40 253 0.0
10 AM 37 3.1 NW 23.9 39 404 0.0
11 AM 37 1.7 N 25.2 36 520 0.0
12 PM 39 2.1 SE 26.5 32 591 0.0
1 PM 36 1.5 SE 28.1 29 611 0.0
2 PM 35 2.3 N 29.2 25 587 0.0
3 PM 40 2.8 NW 29.5 23 468 0.0
4 PM 42 4.8 NW 29.8 22 393 0.0
5 PM 46 6.0 NW 29.0 22 231 0.0
6 PM 49 5.5 NW 27.4 24 56 0.0
7 PM 49 5.4 NW 26.2 25 1 0.0
8 PM 46 4.8 NW 25.2 23 0 0.0
9 PM 46 4.8 NW 24.2 25 0 0.0
10 PM 42 4.7 W 22.2 29 0 0.0
11 PM 41 5.2 NW 21.0 30 0 0.0
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updated on 10/21/2017 9:45 PM  I   http://www.nature.nps.gov/air/data/current/data_JOTR-PW2.cfm   I  Email: Webmaster