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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 Saturday May 18, 2013 |
Hour Ending
(Local Time) |
1-Hour Average
(parts per billion) |
8-Hour Average
(parts per billion) |
| 12 AM |
34 |
33 |
| 1 AM |
34 |
33 |
| 2 AM |
40 |
33 |
| 3 AM |
35 |
33 |
| 4 AM |
28 |
34 |
| 5 AM |
32 |
37 |
| 6 AM |
29 |
39 |
| 7 AM |
33 |
42 |
| 8 AM |
33 |
45 |
| 9 AM |
39 |
47 |
| 10 AM |
39 |
49 |
| 11 AM |
45 |
51 |
| 12 PM |
48 |
52 |
| 1 PM |
50 |
53 |
| 2 PM |
52 |
52 |
| 3 PM |
55 |
50 |
| 4 PM |
55 |
47 |
| 5 PM |
55 |
43 |
| 6 PM |
54 |
40 |
| 7 PM |
53 |
37 |
| 8 PM |
50 |
35 |
| 9 PM |
46 |
32 |
| 10 PM |
34 |
30 |
| 11 PM |
30 |
30 |
| Weather and Ozone Data Saturday May 18, 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 |
34 |
4.6 |
E |
15.5 |
93 |
1 |
2.3 |
| 1 AM |
34 |
2.9 |
S |
15.7 |
95 |
1 |
0.0 |
| 2 AM |
40 |
1.7 |
NE |
15.1 |
95 |
1 |
0.0 |
| 3 AM |
35 |
1.6 |
E |
15.0 |
95 |
1 |
0.0 |
| 4 AM |
28 |
4.3 |
S |
14.8 |
95 |
1 |
0.0 |
| 5 AM |
32 |
4.3 |
S |
15.2 |
95 |
1 |
0.0 |
| 6 AM |
29 |
2.8 |
SW |
15.3 |
95 |
7 |
0.0 |
| 7 AM |
33 |
3.2 |
W |
15.3 |
95 |
36 |
0.0 |
| 8 AM |
33 |
2.9 |
W |
15.5 |
95 |
72 |
0.0 |
| 9 AM |
39 |
2.1 |
W |
15.3 |
96 |
112 |
0.0 |
| 10 AM |
39 |
1.0 |
NW |
15.0 |
95 |
201 |
0.0 |
| 11 AM |
45 |
1.3 |
NW |
15.9 |
75 |
480 |
0.0 |
| 12 PM |
48 |
1.8 |
NW |
17.2 |
66 |
479 |
0.0 |
| 1 PM |
50 |
2.6 |
W |
18.1 |
64 |
557 |
0.0 |
| 2 PM |
52 |
2.4 |
NW |
19.4 |
55 |
746 |
0.0 |
| 3 PM |
55 |
2.5 |
NW |
20.2 |
49 |
794 |
0.0 |
| 4 PM |
55 |
2.1 |
NW |
20.5 |
45 |
420 |
0.0 |
| 5 PM |
55 |
2.5 |
N |
21.0 |
42 |
495 |
0.0 |
| 6 PM |
54 |
3.9 |
N |
20.8 |
43 |
336 |
0.0 |
| 7 PM |
53 |
4.7 |
NE |
20.0 |
52 |
188 |
0.0 |
| 8 PM |
50 |
7.1 |
NE |
16.6 |
66 |
46 |
0.0 |
| 9 PM |
46 |
6.7 |
NE |
15.0 |
82 |
2 |
0.5 |
| 10 PM |
34 |
7.9 |
NE |
15.0 |
95 |
1 |
0.2 |
| 11 PM |
30 |
5.4 |
NE |
14.9 |
95 |
1 |
1.7 |
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