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Current Ozone and Weather Data in National Parks


Grand Canyon National Park - The Abyss, AZ
EPA AQS Site Number: 04-005-8001


Today's Data   Data Timelines   Ozone Health Advisory  
Ozone Tuesday July 29, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 55 55
1 AM 57 55
2 AM 58 54
3 AM 57 54
4 AM 56 52
5 AM 57 51
6 AM 54 50
7 AM 52 50
8 AM 51 49
9 AM 51 49
10 AM -- 49
11 AM 48 49
12 PM 49 50
1 PM 50 50
2 PM 49 50
3 PM 49 51
4 PM 50 51
5 PM 50 51
6 PM 52 51
7 PM 53 --
8 PM 52 --
9 PM 51 --
10 PM 51 --
11 PM 51 --
Weather and Ozone Data Tuesday July 29, 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 55 1.8 SW 18.6 58 -- 0.0
1 AM 57 0.8 W 19.2 56 -- 0.0
2 AM 58 0.5 S 19.2 54 -- 0.0
3 AM 57 1.8 S 17.9 61 -- 0.0
4 AM 56 1.7 SE 17.4 63 -- 0.0
5 AM 57 1.0 S 18.2 60 -- 0.0
6 AM 54 0.5 S 18.4 58 4 0.0
7 AM 52 0.9 SE 18.8 56 129 0.0
8 AM 51 1.0 S 20.0 54 312 0.0
9 AM 51 1.6 SW 21.2 50 506 0.0
10 AM -- 1.9 W 22.0 46 682 0.0
11 AM 48 2.2 W 22.7 45 704 0.0
12 PM 49 2.4 SW 23.7 41 822 0.0
1 PM 50 2.5 W 24.0 41 609 0.0
2 PM 49 2.2 W 22.9 47 578 0.0
3 PM 49 2.1 W 23.9 43 813 0.0
4 PM 50 2.5 NW 24.3 41 629 0.0
5 PM 50 4.3 W 25.9 34 538 0.0
6 PM 52 4.1 W 25.6 36 330 0.0
7 PM 53 3.5 W 25.0 38 158 0.0
8 PM 52 2.1 W 23.5 42 20 0.0
9 PM 51 2.5 W 22.6 44 0 0.0
10 PM 51 1.7 W 21.9 45 0 0.0
11 PM 51 1.6 NW 22.1 46 0 0.0
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updated on 07/30/2014 2:41 AM  I   http://www.nature.nps.gov/air/data/current/data_GRCA-AS2.cfm   I  Email: Webmaster