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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 Saturday April 25, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 49 47
1 AM 49 46
2 AM 48 46
3 AM 47 46
4 AM 47 47
5 AM 45 47
6 AM 45 47
7 AM 46 48
8 AM 47 48
9 AM 49 48
10 AM 49 47
11 AM 48 46
12 PM 47 45
1 PM 48 44
2 PM 51 43
3 PM 50 42
4 PM 46 41
5 PM 41 40
6 PM 40 40
7 PM 39 40
8 PM 41 --
9 PM 39 --
10 PM 40 --
11 PM 44 --
Weather and Ozone Data Saturday April 25, 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 5.4 S 6.5 73 0 0.0
1 AM 49 5.2 S 6.0 75 0 0.0
2 AM 48 4.4 S 5.5 79 0 0.0
3 AM 47 5.8 S 5.2 82 0 0.0
4 AM 47 5.2 S 4.9 85 0 0.0
5 AM 45 5.2 S 4.6 88 0 0.0
6 AM 45 5.3 S 4.0 92 2 0.0
7 AM 46 4.8 S 4.3 90 58 0.0
8 AM 47 4.9 SW 5.0 87 123 0.0
9 AM 49 5.1 SW 6.2 78 270 0.0
10 AM 49 5.5 S 6.7 74 205 0.0
11 AM 48 6.1 S 8.0 64 293 0.0
12 PM 47 6.0 S 8.6 58 239 0.0
1 PM 48 6.9 SW 8.8 60 478 0.0
2 PM 51 6.9 SW 9.1 55 436 0.0
3 PM 50 6.3 SW 8.5 49 227 0.0
4 PM 46 6.0 SW 4.9 76 115 0.5
5 PM 41 4.7 SW 3.4 95 120 0.5
6 PM 40 2.5 SW 4.3 93 61 0.3
7 PM 39 3.7 SW 3.4 94 8 3.2
8 PM 41 4.4 SW 1.1 95 0 2.2
9 PM 39 2.7 S 2.0 95 0 1.4
10 PM 40 3.6 SW 2.5 95 0 1.1
11 PM 44 2.9 SW 1.5 95 0 1.0
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updated on 04/26/2015 1:41 AM  I   http://www.nature.nps.gov/air/data/current/data_GRCA-AS2.cfm   I  Email: Webmaster