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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 April 26, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 56 52
1 AM 54 51
2 AM 53 50
3 AM 53 50
4 AM 52 49
5 AM 52 49
6 AM 50 49
7 AM 49 49
8 AM 48 49
9 AM 49 48
10 AM 50 48
11 AM 49 47
12 PM 49 46
1 PM 50 45
2 PM 50 46
3 PM 48 46
4 PM 44 46
5 PM 44 46
6 PM 44 47
7 PM 43 47
8 PM 44 48
9 PM 51 48
10 PM 52 48
11 PM 46 48
Weather and Ozone Data Wednesday April 26, 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 56 3.5 NW 5.9 31 0 0.0
1 AM 54 3.1 NW 5.6 32 0 0.0
2 AM 53 2.3 N 5.3 32 0 0.0
3 AM 53 2.1 N 5.1 32 0 0.0
4 AM 52 1.2 NW 5.0 31 0 0.0
5 AM 52 1.8 W 4.1 32 0 0.0
6 AM 50 2.5 S 1.7 39 4 0.0
7 AM 49 2.2 S 1.9 41 130 0.0
8 AM 48 1.5 S 5.3 34 338 0.0
9 AM 49 2.3 SW 7.2 28 536 0.0
10 AM 50 2.9 NW 8.8 26 723 0.0
11 AM 49 1.9 N 9.2 27 785 0.0
12 PM 49 1.8 NE 10.1 26 975 0.0
1 PM 50 3.0 NW 11.6 25 943 0.0
2 PM 50 5.3 W 13.8 25 946 0.0
3 PM 48 5.5 W 14.2 28 788 0.0
4 PM 44 5.9 W 14.5 31 646 0.0
5 PM 44 5.9 W 14.6 30 449 0.0
6 PM 44 5.3 W 14.7 31 266 0.0
7 PM 43 4.1 W 13.7 34 43 0.0
8 PM 44 4.6 W 13.6 33 1 0.0
9 PM 51 8.2 SW 12.7 30 0 0.0
10 PM 52 8.0 SW 11.8 32 0 0.0
11 PM 46 7.3 SW 9.3 38 0 0.0
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updated on 04/27/2017 7:43 AM  I   http://nature.nps.gov/air/data/current/data_GRCA-AS2.cfm   I  Email: Webmaster