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Explore Air
Current Ozone and Weather Data in National Parks
Joshua Tree National Park - Cottonwood Canyon, CA EPA AQS Site Number:
| Ozone Thursday November 1, 2012 |
Hour Ending (Local Time) |
1-Hour Average (parts per billion) |
8-Hour Average (parts per billion) |
| 12 AM |
61 |
72 |
| 1 AM |
71 |
73 |
| 2 AM |
72 |
73 |
| 3 AM |
74 |
73 |
| 4 AM |
76 |
81 |
| 5 AM |
75 |
79 |
| 6 AM |
75 |
75 |
| 7 AM |
75 |
71 |
| 8 AM |
73 |
67 |
| 9 AM |
71 |
64 |
| 10 AM |
66 |
60 |
| 11 AM |
143 |
57 |
| 12 PM |
56 |
44 |
| 1 PM |
48 |
42 |
| 2 PM |
42 |
41 |
| 3 PM |
42 |
42 |
| 4 PM |
45 |
44 |
| 5 PM |
45 |
45 |
| 6 PM |
40 |
46 |
| 7 PM |
36 |
47 |
| 8 PM |
41 |
49 |
| 9 PM |
43 |
50 |
| 10 PM |
51 |
51 |
| 11 PM |
54 |
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| Weather and Ozone Data Thursday November 1, 2012 |
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 |
61 |
1.5 |
SW |
20.4 |
13 |
0 |
0.0 |
| 1 AM |
71 |
1.0 |
SW |
20.0 |
18 |
0 |
0.0 |
| 2 AM |
72 |
1.4 |
SW |
19.9 |
17 |
0 |
0.0 |
| 3 AM |
74 |
1.2 |
SW |
19.5 |
20 |
0 |
0.0 |
| 4 AM |
76 |
2.2 |
SW |
19.2 |
23 |
0 |
0.0 |
| 5 AM |
75 |
2.1 |
SW |
19.0 |
25 |
0 |
0.0 |
| 6 AM |
75 |
3.0 |
S |
18.8 |
25 |
0 |
0.0 |
| 7 AM |
75 |
2.9 |
SW |
18.5 |
25 |
1 |
0.0 |
| 8 AM |
73 |
2.1 |
SW |
18.5 |
25 |
74 |
0.0 |
| 9 AM |
71 |
1.9 |
S |
20.4 |
22 |
293 |
0.0 |
| 10 AM |
66 |
2.4 |
S |
21.5 |
20 |
462 |
0.0 |
| 11 AM |
143 |
3.3 |
S |
22.2 |
18 |
634 |
0.0 |
| 12 PM |
56 |
3.8 |
S |
23.0 |
16 |
707 |
0.0 |
| 1 PM |
48 |
4.1 |
SW |
23.5 |
13 |
762 |
0.0 |
| 2 PM |
42 |
3.2 |
SW |
23.8 |
13 |
640 |
0.0 |
| 3 PM |
42 |
3.2 |
SW |
24.1 |
13 |
576 |
0.0 |
| 4 PM |
45 |
3.0 |
SW |
24.0 |
14 |
413 |
0.0 |
| 5 PM |
45 |
3.1 |
SW |
22.9 |
14 |
86 |
0.0 |
| 6 PM |
40 |
2.1 |
SW |
21.8 |
13 |
30 |
0.0 |
| 7 PM |
36 |
2.1 |
SW |
20.7 |
13 |
0 |
0.0 |
| 8 PM |
41 |
3.1 |
SW |
20.1 |
14 |
0 |
0.0 |
| 9 PM |
43 |
1.4 |
SW |
19.5 |
15 |
0 |
0.0 |
| 10 PM |
51 |
1.4 |
SW |
19.2 |
19 |
0 |
0.0 |
| 11 PM |
54 |
0.6 |
W |
18.7 |
22 |
0 |
0.0 |
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