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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 22, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 52 54
1 AM 52 54
2 AM 54 54
3 AM 55 55
4 AM 56 55
5 AM 56 55
6 AM 54 55
7 AM 53 55
8 AM 53 56
9 AM 56 57
10 AM 57 59
11 AM 56 61
12 PM 57 63
1 PM 56 67
2 PM 56 71
3 PM 61 74
4 PM 64 77
5 PM 69 79
6 PM 72 80
7 PM 73 81
8 PM 85 81
9 PM 88 80
10 PM 85 79
11 PM 81 78
Weather and Ozone Data Saturday April 22, 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 52 4.4 S 11.7 27 0 0.0
1 AM 52 4.6 S 11.2 27 0 0.0
2 AM 54 4.5 S 10.8 26 0 0.0
3 AM 55 4.0 S 10.5 26 0 0.0
4 AM 56 3.5 S 9.5 27 0 0.0
5 AM 56 3.3 S 10.5 26 0 0.0
6 AM 54 4.0 SW 11.8 24 0 0.0
7 AM 53 3.3 SW 12.6 26 57 0.0
8 AM 53 1.5 SE 17.9 20 255 0.0
9 AM 56 2.3 NE 20.6 15 472 0.0
10 AM 57 2.5 NE 21.7 14 516 0.0
11 AM 56 2.7 N 23.0 13 0 0.0
12 PM 57 2.9 N 23.6 12 0 0.0
1 PM 56 2.4 NE 25.0 12 0 0.0
2 PM 56 3.1 N 26.0 11 0 0.0
3 PM 61 2.2 SW 26.6 10 0 0.0
4 PM 64 3.4 S 27.2 10 0 0.0
5 PM 69 3.0 SW 27.0 11 0 0.0
6 PM 72 3.6 S 26.3 12 0 0.0
7 PM 73 4.5 SW 24.6 14 0 0.0
8 PM 85 6.0 SW 22.4 23 0 0.0
9 PM 88 5.1 SW 21.2 26 0 0.0
10 PM 85 4.8 SW 20.6 25 0 0.0
11 PM 81 5.1 SW 20.5 23 0 0.0
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updated on 04/23/2017 6:42 PM  I   http://www.nature.nps.gov/air/data/current/data_JOTR-BR2.cfm   I  Email: Webmaster