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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 Wednesday April 23, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 58 54
1 AM 56 53
2 AM 55 52
3 AM 54 52
4 AM 53 52
5 AM 52 53
6 AM 51 53
7 AM -- 53
8 AM 52 53
9 AM 53 54
10 AM 53 54
11 AM 55 55
12 PM 57 55
1 PM 54 54
2 PM 53 55
3 PM 54 --
4 PM 55 --
5 PM 57 --
6 PM 56 --
7 PM 55 --
Weather and Ozone Data Wednesday April 23, 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 58 3.8 SW 8.7 26 0 0.0
1 AM 56 2.7 SW 7.5 28 0 0.0
2 AM 55 3.4 SW 6.1 29 0 0.0
3 AM 54 3.2 SW 5.5 26 0 0.0
4 AM 53 3.6 SW 5.4 23 0 0.0
5 AM 52 3.4 W 6.1 19 0 0.0
6 AM 51 2.3 W 5.9 20 3 0.0
7 AM -- 1.9 W 6.4 22 66 0.0
8 AM 52 2.2 NW 7.4 23 170 0.0
9 AM 53 3.3 W 7.6 22 292 0.0
10 AM 53 3.5 W 8.2 20 456 0.0
11 AM 55 4.1 W 9.0 18 789 0.0
12 PM 57 3.0 W 9.4 19 813 0.0
1 PM 54 2.8 W 10.1 20 979 0.0
2 PM 53 2.2 W 11.0 21 934 0.0
3 PM 54 2.5 W 11.3 22 834 0.0
4 PM 55 2.2 W 11.8 23 681 0.0
5 PM 57 2.2 W 12.2 21 495 0.0
6 PM 56 2.1 W 12.0 20 285 0.0
7 PM 55 2.1 NW 11.2 20 82 0.0
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updated on 04/23/2014 8:43 PM  I   http://www.nature.nps.gov/air/data/current/data_GRCA-AS.cfm   I  Email: Webmaster