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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


Yesterday's Data   Data Timelines   Ozone Health Advisory  


Ozone Friday July 31, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 49 49
1 AM 49 48
2 AM 50 48
3 AM 50 47
4 AM 50 47
5 AM 49 47
6 AM 48 48
7 AM 47 49
8 AM 46 49
9 AM 44 51
10 AM 48 52
11 AM 51 53
12 PM 49 53
1 PM 55 --
2 PM 56 --
3 PM 49 --
4 PM 56 --
5 PM 55 --
Weather and Ozone Data Friday July 31, 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 49 2.2 SE 21.4 46 0 0.0
1 AM 49 1.5 SE 20.8 48 0 0.0
2 AM 50 2.5 E 20.9 51 0 0.0
3 AM 50 1.9 E 20.9 51 0 0.0
4 AM 50 1.2 E 21.0 50 0 0.0
5 AM 49 0.9 E 20.9 51 0 0.0
6 AM 48 1.0 NE 20.5 53 3 0.0
7 AM 47 1.2 NE 20.4 55 57 0.0
8 AM 46 1.2 E 21.5 54 309 0.0
9 AM 44 1.6 NE 21.8 53 510 0.0
10 AM 48 2.0 NE 22.1 53 515 0.0
11 AM 51 1.5 NE 22.5 51 306 0.0
12 PM 49 2.7 S 20.6 62 108 0.4
1 PM 55 4.0 SE 21.5 48 375 0.0
2 PM 56 2.0 E 24.3 36 552 0.0
3 PM 49 4.7 SE 20.5 55 199 0.0
4 PM 56 1.9 S 21.9 47 257 0.0
5 PM 55 4.5 SW 21.3 50 163 0.0
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updated on 07/31/2015 6:43 PM  I   http://nature.nps.gov/air/data/current/data_GRCA-AS.cfm   I  Email: Webmaster