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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 Tuesday May 21, 2013 |
Hour Ending (Local Time) |
1-Hour Average (parts per billion) |
8-Hour Average (parts per billion) |
| 12 AM |
-- |
-- |
| 1 AM |
-- |
-- |
| 2 AM |
-- |
-- |
| 3 AM |
-- |
-- |
| 4 AM |
-- |
-- |
| 5 AM |
-- |
-- |
| 6 AM |
-- |
-- |
| 7 AM |
-- |
-- |
| 8 AM |
-- |
-- |
| 9 AM |
-- |
-- |
| 10 AM |
-- |
-- |
| 11 AM |
-- |
-- |
| 12 PM |
-- |
-- |
| 1 PM |
-- |
-- |
| 2 PM |
-- |
-- |
| 3 PM |
-- |
-- |
| 4 PM |
-- |
-- |
| 5 PM |
-- |
-- |
| 6 PM |
-- |
-- |
| 7 PM |
-- |
-- |
| 8 PM |
-- |
-- |
| 9 PM |
-- |
-- |
| 10 PM |
-- |
-- |
| 11 PM |
-- |
-- |
| Weather and Ozone Data Tuesday May 21, 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 |
-- |
2.6 |
N |
21.6 |
11 |
0 |
0.0 |
| 1 AM |
-- |
2.1 |
N |
21.2 |
10 |
0 |
0.0 |
| 2 AM |
-- |
1.5 |
N |
19.8 |
11 |
0 |
0.0 |
| 3 AM |
-- |
1.4 |
N |
19.6 |
11 |
0 |
0.0 |
| 4 AM |
-- |
2.5 |
N |
19.6 |
10 |
0 |
0.0 |
| 5 AM |
-- |
2.0 |
N |
20.1 |
10 |
0 |
0.0 |
| 6 AM |
-- |
2.1 |
N |
20.0 |
10 |
7 |
0.0 |
| 7 AM |
-- |
1.7 |
NW |
21.8 |
10 |
147 |
0.0 |
| 8 AM |
-- |
0.8 |
NE |
24.9 |
9 |
314 |
0.0 |
| 9 AM |
-- |
2.5 |
SE |
26.1 |
11 |
550 |
0.0 |
| 10 AM |
-- |
2.9 |
S |
26.6 |
11 |
776 |
0.0 |
| 11 AM |
-- |
2.5 |
SW |
27.4 |
12 |
907 |
0.0 |
| 12 PM |
-- |
2.6 |
S |
28.5 |
12 |
1003 |
0.0 |
| 1 PM |
-- |
3.3 |
S |
28.9 |
11 |
1023 |
0.0 |
| 2 PM |
-- |
3.0 |
S |
29.7 |
11 |
933 |
0.0 |
| 3 PM |
-- |
3.2 |
SW |
30.1 |
11 |
912 |
0.0 |
| 4 PM |
-- |
3.8 |
SW |
30.1 |
12 |
726 |
0.0 |
| 5 PM |
-- |
4.9 |
S |
29.2 |
13 |
472 |
0.0 |
| 6 PM |
-- |
2.8 |
SW |
29.3 |
13 |
325 |
0.0 |
| 7 PM |
-- |
3.6 |
SW |
28.6 |
14 |
90 |
0.0 |
| 8 PM |
-- |
3.3 |
SW |
27.6 |
15 |
16 |
0.0 |
| 9 PM |
-- |
1.5 |
SW |
26.2 |
21 |
0 |
0.0 |
| 10 PM |
-- |
3.5 |
SW |
25.0 |
22 |
0 |
0.0 |
| 11 PM |
-- |
2.9 |
SW |
24.5 |
22 |
0 |
0.0 |
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