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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 September 18, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 38 35
1 AM 36 35
2 AM 36 34
3 AM 36 34
4 AM 35 34
5 AM 35 33
6 AM 35 33
7 AM 35 33
8 AM 34 33
9 AM 33 33
10 AM 34 33
11 AM 33 33
12 PM 32 33
1 PM 32 32
2 PM 32 32
3 PM 34 32
4 PM 35 32
5 PM 35 31
6 PM 33 30
7 PM 31 29
8 PM 30 28
9 PM 30 28
10 PM 32 27
11 PM 31 27
Weather and Ozone Data Thursday September 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 38 1.9 E 18.8 55 0 0.0
1 AM 36 1.9 E 18.5 58 0 0.0
2 AM 36 1.6 E 18.2 60 0 0.0
3 AM 36 1.7 E 18.1 60 0 0.0
4 AM 35 0.7 E 17.6 63 0 0.0
5 AM 35 1.1 E 17.5 63 0 0.0
6 AM 35 1.1 E 17.3 61 0 0.0
7 AM 35 0.7 E 17.2 62 29 0.0
8 AM 34 1.1 NE 18.0 60 214 0.0
9 AM 33 1.7 NE 18.5 56 410 0.0
10 AM 34 1.8 NE 19.5 52 567 0.0
11 AM 33 1.7 N 19.2 54 277 0.0
12 PM 32 1.6 N 19.9 54 394 0.0
1 PM 32 1.7 N 20.7 52 484 0.0
2 PM 32 1.4 N 21.4 49 411 0.0
3 PM 34 1.3 W 22.5 42 343 0.0
4 PM 35 2.7 SW 24.3 34 535 0.0
5 PM 35 2.6 SW 24.3 35 338 0.0
6 PM 33 1.8 SW 23.3 39 103 0.0
7 PM 31 1.7 SW 21.5 46 7 0.0
8 PM 30 2.9 S 20.0 50 0 0.0
9 PM 30 4.0 S 18.8 58 0 0.0
10 PM 32 4.2 S 18.0 66 0 0.0
11 PM 31 3.9 S 17.1 71 0 0.0
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updated on 09/19/2014 7:40 PM  I   http://nature.nps.gov/air/data/current/data_GRCA-AS2.cfm   I  Email: Webmaster