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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 Monday July 28, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 45 49
1 AM 36 49
2 AM 52 51
3 AM 53 51
4 AM 55 50
5 AM 53 50
6 AM 53 50
7 AM 50 50
8 AM 47 51
9 AM 49 51
10 AM 50 51
11 AM 50 52
12 PM 52 52
1 PM 53 53
2 PM 54 53
3 PM 53 53
4 PM 51 54
5 PM 52 54
6 PM 52 55
7 PM 53 56
8 PM 56 56
9 PM 56 56
10 PM 56 56
11 PM 57 56
Weather and Ozone Data Monday July 28, 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 45 1.4 SE 16.0 80 -- 0.6
1 AM 36 2.4 S 15.3 87 -- 0.0
2 AM 52 1.6 E 17.4 65 -- 0.0
3 AM 53 1.5 E 17.9 60 -- 0.0
4 AM 55 1.5 E 18.1 57 -- 0.0
5 AM 53 1.6 E 17.8 60 -- 0.0
6 AM 53 1.6 E 18.0 60 3 0.0
7 AM 50 1.4 NE 17.8 63 62 0.0
8 AM 47 1.2 E 18.8 62 267 0.0
9 AM 49 1.8 E 20.3 57 503 0.0
10 AM 50 1.7 SE 21.0 56 609 0.0
11 AM 50 1.6 N 20.4 63 384 0.0
12 PM 52 1.5 N 21.6 55 573 0.0
1 PM 53 1.4 NE 21.7 54 276 0.0
2 PM 54 1.4 N 23.2 49 628 0.0
3 PM 53 3.0 SW 18.4 72 58 13.2
4 PM 51 3.7 W 16.0 81 149 2.2
5 PM 52 2.3 N 17.8 67 300 0.0
6 PM 52 1.9 NW 19.2 58 274 0.0
7 PM 53 1.3 NW 20.6 49 179 0.1
8 PM 56 1.3 W 19.7 49 7 0.0
9 PM 56 1.6 W 19.4 51 -- 0.0
10 PM 56 1.7 W 19.5 54 -- 0.0
11 PM 57 1.1 SW 19.6 53 -- 0.0
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updated on 07/29/2014 7:40 AM  I   http://nature.nps.gov/air/data/current/data_GRCA-AS2.cfm   I  Email: Webmaster