National Park Service Arrowhead
Explore Air

Current Ozone and Weather Data in National Parks


Zion National Park - Dalton Wash, UT
EPA AQS Site Number: 49-053-0130


Yesterday's Data   Data Timelines   Ozone Health Advisory  


Ozone Monday July 24, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 45 39
1 AM 44 37
2 AM 43 35
3 AM 40 34
4 AM 40 35
5 AM 36 36
6 AM 35 38
7 AM 31 40
8 AM 27 43
9 AM 34 46
10 AM 36 49
11 AM 43 50
12 PM 50 52
1 PM 51 52
2 PM 51 53
3 PM 54 --
4 PM 55 --
5 PM 52 --
6 PM 51 --
7 PM 55 --
Weather and Ozone Data Monday July 24, 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 45 4.0 SE 29.8 -- 0 0.0
1 AM 44 2.2 E 29.0 -- 0 0.0
2 AM 43 1.7 E 28.4 -- 0 0.0
3 AM 40 2.2 NW 28.1 -- 0 0.0
4 AM 40 1.3 SE 26.6 -- 0 0.0
5 AM 36 1.8 NE 25.3 -- 0 0.0
6 AM 35 1.2 SE 25.2 -- 0 0.0
7 AM 31 3.3 E 23.9 -- 6 0.0
8 AM 27 4.2 E 24.7 -- 63 0.0
9 AM 34 3.7 SE 26.5 -- 134 0.0
10 AM 36 3.2 SE 28.0 -- 230 0.0
11 AM 43 2.5 SE 31.3 -- 707 0.0
12 PM 50 3.0 SE 33.2 -- 810 0.0
1 PM 51 2.3 SE 33.7 -- 640 0.0
2 PM 51 2.0 SE 34.1 -- 646 0.0
3 PM 54 2.5 SE 35.9 -- 897 0.0
4 PM 55 3.7 SW 35.5 -- 393 0.0
5 PM 52 6.9 S 31.6 -- 96 0.0
6 PM 51 4.1 N 30.6 -- 299 0.0
7 PM 55 3.9 NW 31.6 -- 315 0.0
U.S. Department of the Interior Accessibility Freedom of Information Act USA.gov Search
Privacy Policy Disclaimer NPS Home Contact Us
updated on 07/24/2017 7:44 PM  I   http://www.nature.nps.gov/air/data/current/data_ZION-DW.cfm   I  Email: Webmaster