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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 Thursday December 18, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 33 33
1 AM 32 32
2 AM 33 32
3 AM 35 30
4 AM 36 30
5 AM 34 30
6 AM 30 31
7 AM 31 32
8 AM 30 33
9 AM 27 34
10 AM 24 35
11 AM 34 37
12 PM 36 37
1 PM 37 38
2 PM 39 38
3 PM 40 38
4 PM 39 38
5 PM 35 37
6 PM 36 37
7 PM 40 37
8 PM 39 37
9 PM 40 37
10 PM 38 36
11 PM 37 36
Weather and Ozone Data Thursday December 18, 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 33 2.2 S -0.8 95 0 0.1
1 AM 32 1.6 SW -0.8 95 0 0.3
2 AM 33 1.7 SW -1.5 95 0 0.0
3 AM 35 1.9 S -1.9 95 0 0.0
4 AM 36 1.6 S -2.2 95 0 0.0
5 AM 34 1.4 S -1.9 95 0 0.0
6 AM 30 1.1 S -1.7 95 0 0.0
7 AM 31 0.8 SE -1.7 95 0 0.0
8 AM 30 0.8 NE -1.6 95 1 0.0
9 AM 27 0.8 S -1.5 95 5 0.0
10 AM 24 1.3 SW -1.3 95 33 0.0
11 AM 34 1.3 SW -0.8 95 71 0.0
12 PM 36 1.1 SW -0.7 95 203 0.0
1 PM 37 1.0 SW 0.1 89 322 0.0
2 PM 39 1.1 NE 0.7 80 333 0.0
3 PM 40 1.5 NW 1.3 76 232 0.0
4 PM 39 1.5 N 1.5 77 207 0.0
5 PM 35 0.6 W 0.7 87 38 0.0
6 PM 36 0.9 E 0.3 88 5 0.0
7 PM 40 1.0 NE 0.0 87 0 0.0
8 PM 39 1.0 N 0.1 88 0 0.0
9 PM 40 1.2 N 0.3 83 0 0.0
10 PM 38 1.2 NW -0.1 90 0 0.0
11 PM 37 0.9 NW -0.2 93 0 0.0
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updated on 12/19/2014 12:39 PM  I   http://nature.nps.gov/air/data/current/data_GRCA-AS2.cfm   I  Email: Webmaster