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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 January 21, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 38 43
1 AM 39 44
2 AM 41 44
3 AM 45 45
4 AM 45 45
5 AM 46 44
6 AM 46 44
7 AM 46 44
8 AM 45 44
9 AM 44 44
10 AM 44 44
11 AM 44 44
12 PM 44 44
1 PM 45 44
2 PM 45 45
3 PM 45 45
4 PM 45 45
5 PM 45 44
6 PM 45 44
7 PM 44 44
8 PM 45 44
9 PM 46 43
10 PM 46 42
11 PM 44 42
Weather and Ozone Data Saturday January 21, 2017
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 38 4.9 S -2.2 95 0 1.3
1 AM 39 5.5 SW -2.2 95 0 0.7
2 AM 41 4.7 SW -2.5 95 0 0.4
3 AM 45 5.0 SW -2.6 95 0 0.5
4 AM 45 6.2 SW -3.2 95 0 0.2
5 AM 46 6.3 SW -3.6 95 0 0.7
6 AM 46 6.6 SW -3.9 95 0 0.0
7 AM 46 5.0 SW -4.3 95 0 0.1
8 AM 45 5.4 SW -4.7 95 3 0.2
9 AM 44 5.7 SW -5.0 95 23 0.2
10 AM 44 6.0 SW -5.0 94 66 0.1
11 AM 44 5.2 SW -4.6 94 141 0.4
12 PM 44 4.5 W -3.7 91 243 0.0
1 PM 45 4.9 W -2.9 83 261 0.0
2 PM 45 4.7 W -2.6 80 192 0.0
3 PM 45 4.7 W -1.7 73 424 0.0
4 PM 45 4.0 NW -1.6 71 297 0.0
5 PM 45 3.4 W -2.0 75 89 0.0
6 PM 45 2.9 W -2.5 76 16 0.0
7 PM 44 2.4 W -3.0 78 0 0.0
8 PM 45 2.4 W -3.4 76 0 0.0
9 PM 46 2.5 W -3.4 73 0 0.0
10 PM 46 2.5 W -3.4 73 0 0.0
11 PM 44 1.9 W -4.4 78 0 0.0
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updated on 01/22/2017 5:41 AM  I   http://www.nature.nps.gov/air/data/current/data_GRCA-AS2.cfm   I  Email: Webmaster