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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 Tuesday July 29, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 55 55
1 AM 57 55
2 AM 58 54
3 AM 57 54
4 AM 56 52
5 AM 57 52
6 AM 54 --
7 AM 52 --
8 AM 51 --
9 AM 51 --
10 AM -- --
11 AM 48 --
Weather and Ozone Data Tuesday July 29, 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 55 1.8 SW 18.6 58 -- 0.0
1 AM 57 0.8 W 19.2 56 -- 0.0
2 AM 58 0.5 S 19.2 54 -- 0.0
3 AM 57 1.8 S 17.9 61 -- 0.0
4 AM 56 1.7 SE 17.4 63 -- 0.0
5 AM 57 1.0 S 18.2 60 -- 0.0
6 AM 54 0.5 S 18.4 58 4 0.0
7 AM 52 0.9 SE 18.8 56 129 0.0
8 AM 51 1.0 S 20.0 54 312 0.0
9 AM 51 1.6 SW 21.2 50 506 0.0
10 AM -- 1.9 W 22.0 46 682 0.0
11 AM 48 2.2 W 22.7 45 704 0.0
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updated on 07/29/2014 12:40 PM  I   http://www2.nature.nps.gov/air/data/current/data_GRCA-AS.cfm   I  Email: Webmaster