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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 Thursday July 31, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 51 48
1 AM 50 47
2 AM 49 47
3 AM 50 47
4 AM 49 47
5 AM 48 47
6 AM 47 47
7 AM 45 48
8 AM 44 49
9 AM 46 49
10 AM 48 50
11 AM 50 --
12 PM 49 --
1 PM 51 --
2 PM 52 --
3 PM 52 --
Weather and Ozone Data Thursday July 31, 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 51 1.8 NW 23.5 40 0 0.0
1 AM 50 1.1 N 23.2 41 0 0.0
2 AM 49 0.5 N 22.3 44 0 0.0
3 AM 50 0.9 N 22.6 43 0 0.0
4 AM 49 0.6 N 22.5 42 0 0.0
5 AM 48 1.4 N 22.2 44 0 0.0
6 AM 47 1.1 N 21.6 44 5 0.0
7 AM 45 1.2 W 21.1 47 119 0.0
8 AM 44 1.1 S 22.1 45 306 0.0
9 AM 46 0.8 NE 23.8 39 504 0.0
10 AM 48 1.2 N 24.4 37 563 0.0
11 AM 50 1.5 W 25.6 33 779 0.0
12 PM 49 2.1 NE 25.8 33 838 0.0
1 PM 51 1.9 NE 26.7 30 688 0.0
2 PM 52 2.3 W 26.4 29 327 0.0
3 PM 52 1.5 W 26.1 29 218 0.0
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updated on 07/31/2014 4:40 PM  I   http://nature.nps.gov/air/data/current/data_GRCA-AS.cfm   I  Email: Webmaster