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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 Friday May 24, 2013 |
Hour Ending
(Local Time) |
1-Hour Average
(parts per billion) |
8-Hour Average
(parts per billion) |
| 12 AM |
41 |
38 |
| 1 AM |
42 |
37 |
| 2 AM |
41 |
35 |
| 3 AM |
39 |
34 |
| 4 AM |
38 |
33 |
| 5 AM |
35 |
33 |
| 6 AM |
35 |
32 |
| 7 AM |
34 |
31 |
| 8 AM |
32 |
32 |
| 9 AM |
31 |
34 |
| 10 AM |
33 |
36 |
| 11 AM |
33 |
38 |
| 12 PM |
31 |
40 |
| 1 PM |
31 |
42 |
| 2 PM |
30 |
44 |
| 3 PM |
36 |
46 |
| 4 PM |
47 |
-- |
| 5 PM |
48 |
-- |
| 6 PM |
50 |
-- |
| 7 PM |
49 |
-- |
| 8 PM |
49 |
-- |
| Weather and Ozone Data Friday May 24, 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 |
41 |
13.6 |
SE |
12.3 |
65 |
1 |
0.0 |
| 1 AM |
42 |
12.9 |
SE |
11.6 |
69 |
1 |
0.0 |
| 2 AM |
41 |
12.9 |
SE |
10.9 |
71 |
1 |
0.0 |
| 3 AM |
39 |
13.1 |
SE |
10.4 |
72 |
1 |
0.0 |
| 4 AM |
38 |
12.0 |
SE |
10.0 |
73 |
1 |
0.0 |
| 5 AM |
35 |
10.8 |
SE |
9.4 |
75 |
1 |
0.0 |
| 6 AM |
35 |
10.9 |
SE |
9.2 |
75 |
18 |
0.0 |
| 7 AM |
34 |
10.9 |
SE |
9.5 |
73 |
138 |
0.0 |
| 8 AM |
32 |
10.3 |
SE |
10.8 |
70 |
298 |
0.0 |
| 9 AM |
31 |
10.2 |
SE |
12.3 |
71 |
243 |
0.0 |
| 10 AM |
33 |
11.1 |
SE |
13.9 |
69 |
374 |
0.0 |
| 11 AM |
33 |
9.3 |
SE |
15.7 |
65 |
521 |
0.0 |
| 12 PM |
31 |
5.7 |
S |
15.9 |
70 |
103 |
0.0 |
| 1 PM |
31 |
4.3 |
SW |
15.6 |
76 |
115 |
0.1 |
| 2 PM |
30 |
3.5 |
NW |
13.2 |
90 |
263 |
0.1 |
| 3 PM |
36 |
3.4 |
NW |
16.0 |
64 |
562 |
0.0 |
| 4 PM |
47 |
4.1 |
NW |
17.2 |
48 |
688 |
0.0 |
| 5 PM |
48 |
2.9 |
NW |
18.3 |
45 |
591 |
0.0 |
| 6 PM |
50 |
2.5 |
N |
18.8 |
44 |
438 |
0.0 |
| 7 PM |
49 |
3.0 |
NE |
18.5 |
46 |
275 |
0.0 |
| 8 PM |
49 |
2.5 |
NE |
18.0 |
49 |
117 |
0.0 |
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