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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 September 29, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 44 39
1 AM 44 39
2 AM 42 39
3 AM 38 40
4 AM 37 41
5 AM 38 43
6 AM 37 45
7 AM 37 47
8 AM 39 48
9 AM 48 50
10 AM 49 50
11 AM 49 51
12 PM 51 51
1 PM 52 51
2 PM 51 51
3 PM 52 51
4 PM 51 51
5 PM 51 51
6 PM 51 50
7 PM 52 50
8 PM 52 50
9 PM 52 50
10 PM 50 49
11 PM 51 49
Weather and Ozone Data Monday September 29, 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 44 2.2 S 7.8 54 0 0.0
1 AM 44 2.1 S 7.8 55 0 0.0
2 AM 42 2.8 S 7.1 58 0 0.0
3 AM 38 3.0 S 6.9 62 0 0.0
4 AM 37 3.0 S 7.0 63 0 0.0
5 AM 38 2.7 S 6.8 64 0 0.0
6 AM 37 2.4 S 6.8 64 0 0.0
7 AM 37 1.8 SW 7.0 66 7 0.0
8 AM 39 1.6 S 8.0 63 166 0.0
9 AM 48 1.9 W 10.1 53 344 0.0
10 AM 49 2.4 W 11.5 50 521 0.0
11 AM 49 1.8 NW 12.1 51 687 0.0
12 PM 51 2.1 NW 12.7 48 620 0.0
1 PM 52 2.5 W 13.8 45 806 0.0
2 PM 51 2.1 N 13.3 47 658 0.0
3 PM 52 2.0 N 13.9 46 645 0.0
4 PM 51 2.0 N 13.9 46 400 0.0
5 PM 51 2.2 N 14.2 44 265 0.0
6 PM 51 1.8 NW 14.0 40 100 0.0
7 PM 52 1.8 NW 12.3 42 2 0.0
8 PM 52 1.6 NW 11.7 44 0 0.0
9 PM 52 1.5 W 11.5 45 0 0.0
10 PM 50 1.7 W 11.0 49 0 0.0
11 PM 51 1.4 NW 11.2 48 0 0.0
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updated on 09/30/2014 9:50 PM  I   http://www2.nature.nps.gov/air/data/current/data_GRCA-AS2.cfm   I  Email: Webmaster