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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 Wednesday May 23, 2012 
Hour Ending
(Local Time)		 1-Hour Average
(parts per billion)		 8-Hour Average
(parts per billion)
12 AM 65 64
1 AM 67 64
2 AM 67 62
3 AM 65 61
4 AM 65 60
5 AM 62 59
6 AM 62 58
7 AM 64 57
8 AM 62 56
9 AM 55 56
10 AM 55 56
11 AM 56 57
12 PM 56 58
1 PM 57 58
2 PM 57 59
3 PM 57 60
4 PM 57 60
5 PM 59 61
6 PM 60 60
7 PM 62 61
8 PM 62 60
9 PM 62 --
10 PM 63 --
11 PM 60 --
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Weather and Ozone Data Wednesday May 23, 2012
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 65 6.3 SW 16.4 19 0 0.0
1 AM 67 6.3 SW 15.7 20 0 0.0
2 AM 67 5.9 S 14.7 20 0 0.0
3 AM 65 6.2 S 14.4 20 0 0.0
4 AM 65 5.5 S 14.0 21 0 0.0
5 AM 62 5.4 S 13.1 25 0 0.0
6 AM 62 5.7 S 12.7 27 16 0.0
7 AM 64 5.2 SW 14.2 24 215 0.0
8 AM 62 5.0 SW 16.3 24 430 0.0
9 AM 55 5.8 SW 18.8 26 625 0.0
10 AM 55 5.4 W 21.2 25 787 0.0
11 AM 56 5.3 W 22.8 23 909 0.0
12 PM 56 6.4 W 23.7 21 983 0.0
1 PM 57 6.3 W 24.6 20 998 0.0
2 PM 57 6.2 W 25.7 20 959 0.0
3 PM 57 6.5 W 25.9 20 865 0.0
4 PM 57 7.4 SW 25.8 19 725 0.0
5 PM 59 6.8 W 25.3 19 535 0.0
6 PM 60 7.1 SW 24.4 21 332 0.0
7 PM 62 7.1 SW 23.0 24 125 0.0
8 PM 62 6.8 SW 21.4 26 10 0.0
9 PM 62 6.8 SW 20.1 26 0 0.0
10 PM 63 8.2 SW 19.0 28 0 0.0
11 PM 60 7.5 SW 17.4 31 0 0.0
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updated on 05/24/2012 2:39 AM  I   http://www.nature.nps.gov/air/data/current/data_GRCA2.cfm   I  Email: Webmaster