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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 Sunday May 19, 2013 |
Hour Ending
(Local Time) |
1-Hour Average
(parts per billion) |
8-Hour Average
(parts per billion) |
| 12 AM |
29 |
30 |
| 1 AM |
29 |
30 |
| 2 AM |
32 |
30 |
| 3 AM |
30 |
30 |
| 4 AM |
29 |
30 |
| 5 AM |
30 |
30 |
| 6 AM |
33 |
31 |
| 7 AM |
32 |
31 |
| 8 AM |
31 |
31 |
| 9 AM |
29 |
31 |
| 10 AM |
30 |
32 |
| 11 AM |
31 |
32 |
| 12 PM |
31 |
33 |
| 1 PM |
33 |
33 |
| 2 PM |
31 |
34 |
| 3 PM |
32 |
34 |
| 4 PM |
34 |
35 |
| 5 PM |
37 |
36 |
| 6 PM |
34 |
36 |
| 7 PM |
33 |
36 |
| 8 PM |
34 |
36 |
| 9 PM |
37 |
36 |
| 10 PM |
38 |
35 |
| 11 PM |
39 |
34 |
| Weather and Ozone Data Sunday May 19, 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 |
29 |
4.5 |
NE |
15.2 |
95 |
1 |
1.0 |
| 1 AM |
29 |
4.8 |
NE |
15.3 |
95 |
1 |
0.8 |
| 2 AM |
32 |
6.4 |
NE |
15.0 |
95 |
1 |
0.0 |
| 3 AM |
30 |
5.8 |
N |
14.7 |
95 |
1 |
0.0 |
| 4 AM |
29 |
6.6 |
NE |
14.5 |
95 |
1 |
0.0 |
| 5 AM |
30 |
5.9 |
N |
14.2 |
95 |
1 |
0.2 |
| 6 AM |
33 |
6.1 |
N |
13.6 |
95 |
2 |
0.0 |
| 7 AM |
32 |
6.9 |
N |
13.4 |
95 |
7 |
0.2 |
| 8 AM |
31 |
6.1 |
N |
13.3 |
95 |
17 |
0.1 |
| 9 AM |
29 |
5.6 |
N |
13.1 |
95 |
30 |
0.2 |
| 10 AM |
30 |
6.0 |
N |
12.9 |
96 |
33 |
0.6 |
| 11 AM |
31 |
6.6 |
N |
12.4 |
95 |
68 |
0.8 |
| 12 PM |
31 |
7.7 |
N |
12.2 |
95 |
94 |
0.3 |
| 1 PM |
33 |
7.6 |
N |
11.6 |
95 |
80 |
0.0 |
| 2 PM |
31 |
9.3 |
N |
11.2 |
95 |
71 |
0.1 |
| 3 PM |
32 |
9.8 |
N |
11.4 |
95 |
51 |
2.7 |
| 4 PM |
34 |
9.2 |
N |
11.8 |
95 |
44 |
2.3 |
| 5 PM |
37 |
10.0 |
N |
11.7 |
95 |
33 |
2.9 |
| 6 PM |
34 |
9.0 |
N |
11.8 |
95 |
24 |
3.9 |
| 7 PM |
33 |
10.0 |
N |
12.1 |
95 |
14 |
2.9 |
| 8 PM |
34 |
10.6 |
N |
12.1 |
95 |
7 |
2.7 |
| 9 PM |
37 |
12.1 |
N |
11.6 |
95 |
1 |
2.0 |
| 10 PM |
38 |
11.3 |
N |
11.0 |
95 |
1 |
0.3 |
| 11 PM |
39 |
12.0 |
N |
11.1 |
95 |
1 |
2.6 |
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