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Explore Air
Current Ozone and Weather Data in National Parks
Theodore Roosevelt National Park - Visitor Center, ND
EPA AQS Site Number: 38-007-0002
| Ozone Thursday May 23, 2013 |
Hour Ending
(Local Time) |
1-Hour Average
(parts per billion) |
8-Hour Average
(parts per billion) |
| 12 AM |
36 |
27 |
| 1 AM |
35 |
25 |
| 2 AM |
33 |
25 |
| 3 AM |
30 |
26 |
| 4 AM |
25 |
28 |
| 5 AM |
22 |
30 |
| 6 AM |
21 |
33 |
| 7 AM |
19 |
36 |
| 8 AM |
22 |
40 |
| 9 AM |
32 |
42 |
| 10 AM |
41 |
44 |
| 11 AM |
44 |
45 |
| 12 PM |
44 |
45 |
| 1 PM |
45 |
46 |
| 2 PM |
46 |
46 |
| 3 PM |
46 |
45 |
| 4 PM |
45 |
45 |
| 5 PM |
45 |
45 |
| 6 PM |
45 |
-- |
| 7 PM |
48 |
-- |
| 8 PM |
49 |
-- |
| 9 PM |
46 |
-- |
| 10 PM |
42 |
-- |
| Weather and Ozone Data Thursday May 23, 2013 |
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 |
36 |
8.3 |
SE |
10.8 |
58 |
1 |
0.0 |
| 1 AM |
35 |
7.4 |
SE |
9.9 |
63 |
1 |
0.0 |
| 2 AM |
33 |
6.9 |
E |
9.2 |
67 |
1 |
0.0 |
| 3 AM |
30 |
8.2 |
E |
9.5 |
68 |
1 |
0.0 |
| 4 AM |
25 |
8.0 |
E |
8.4 |
80 |
1 |
0.0 |
| 5 AM |
22 |
8.1 |
E |
7.9 |
86 |
1 |
0.0 |
| 6 AM |
21 |
6.7 |
E |
7.2 |
88 |
39 |
0.0 |
| 7 AM |
19 |
6.1 |
E |
7.3 |
89 |
152 |
0.0 |
| 8 AM |
22 |
6.6 |
E |
9.4 |
80 |
341 |
0.0 |
| 9 AM |
32 |
7.0 |
E |
12.1 |
68 |
507 |
0.0 |
| 10 AM |
41 |
10.2 |
SE |
14.5 |
53 |
659 |
0.0 |
| 11 AM |
44 |
12.6 |
SE |
15.7 |
46 |
786 |
0.0 |
| 12 PM |
44 |
13.2 |
SE |
16.6 |
42 |
859 |
0.0 |
| 1 PM |
45 |
13.4 |
SE |
17.3 |
39 |
902 |
0.0 |
| 2 PM |
46 |
13.3 |
SE |
17.9 |
38 |
834 |
0.0 |
| 3 PM |
46 |
13.4 |
SE |
17.9 |
40 |
584 |
0.0 |
| 4 PM |
45 |
13.7 |
SE |
17.8 |
41 |
486 |
0.0 |
| 5 PM |
45 |
13.0 |
SE |
17.4 |
42 |
291 |
0.0 |
| 6 PM |
45 |
13.3 |
SE |
17.7 |
43 |
340 |
0.0 |
| 7 PM |
48 |
12.8 |
SE |
17.3 |
44 |
251 |
0.0 |
| 8 PM |
49 |
12.2 |
SE |
16.1 |
49 |
97 |
0.0 |
| 9 PM |
46 |
11.0 |
SE |
14.8 |
52 |
12 |
0.0 |
| 10 PM |
42 |
11.7 |
SE |
13.5 |
55 |
1 |
0.0 |
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