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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 Sunday June 28, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 46 48
1 AM 46 48
2 AM 46 49
3 AM 48 50
4 AM 49 50
5 AM 50 51
6 AM 51 51
7 AM 50 51
8 AM 50 52
9 AM 51 52
10 AM 52 53
11 AM 53 53
12 PM 53 53
1 PM 53 53
2 PM 53 52
3 PM 53 51
4 PM 54 50
5 PM 55 48
6 PM 54 46
7 PM 53 45
8 PM 51 43
9 PM 49 42
10 PM 44 42
11 PM 41 42
Weather and Ozone Data Sunday June 28, 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 46 6.9 S 22.1 42 0 0.0
1 AM 46 5.9 S 20.6 48 0 0.0
2 AM 46 4.1 S 19.7 51 0 0.0
3 AM 48 4.1 S 19.1 52 0 0.0
4 AM 49 3.0 S 18.6 54 0 0.0
5 AM 50 2.0 SW 18.3 55 0 0.0
6 AM 51 1.1 NW 19.9 50 20 0.0
7 AM 50 1.0 W 20.7 48 179 0.0
8 AM 50 2.6 SW 21.7 46 372 0.0
9 AM 51 2.3 W 23.3 40 565 0.0
10 AM 52 1.8 W 25.0 33 734 0.0
11 AM 53 2.5 NE 25.5 30 861 0.0
12 PM 53 2.2 NE 26.2 29 946 0.0
1 PM 53 2.1 NE 27.4 26 998 0.0
2 PM 53 2.4 NE 28.7 23 903 0.0
3 PM 53 3.4 SW 28.3 25 564 0.0
4 PM 54 3.5 SW 29.7 22 633 0.0
5 PM 55 4.8 SW 29.0 24 596 0.0
6 PM 54 3.7 SW 28.2 24 313 0.0
7 PM 53 3.5 SW 27.0 29 153 0.0
8 PM 51 3.0 W 25.4 32 17 0.0
9 PM 49 1.8 SW 23.9 35 0 0.0
10 PM 44 1.9 S 21.7 42 0 0.0
11 PM 41 3.4 S 20.4 45 0 0.0
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updated on 06/29/2015 10:44 PM  I   http://www.nature.nps.gov/air/data/current/data_GRCA-AS2.cfm   I  Email: Webmaster