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Explore Air
Current Ozone and Weather Data in National Parks
Petrified Forest National Park - South Entrance, AZ
EPA AQS Site Number: 04-017-0119
| Ozone Tuesday May 5, 2009 |
Hour Ending
(Local Standard Time) |
1-Hour Average
(parts per billion) |
8-Hour Average
(parts per billion) |
| 1 AM |
39 |
41 |
| 2 AM |
40 |
42 |
| 3 AM |
40 |
43 |
| 4 AM |
40 |
44 |
| 5 AM |
42 |
46 |
| 6 AM |
41 |
46 |
| 7 AM |
42 |
47 |
| 8 AM |
45 |
-- |
| 9 AM |
47 |
-- |
| 10 AM |
49 |
-- |
| 11 AM |
52 |
-- |
| 12 PM |
51 |
-- |
| 1 PM |
-- |
-- |
| 2 PM |
-- |
50 |
| 3 PM |
-- |
50 |
| 4 PM |
47 |
50 |
| 5 PM |
49 |
-- |
| 6 PM |
50 |
-- |
| 7 PM |
51 |
-- |
| 8 PM |
55 |
-- |
| 9 PM |
49 |
-- |
| Weather and Ozone Data Tuesday May 5, 2009 |
Hour
Beginning
(Local Standard 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 |
39 |
3.1 |
S |
14.4 |
30 |
-- |
0.0 |
| 1 AM |
40 |
2.9 |
S |
13.6 |
32 |
-- |
0.0 |
| 2 AM |
40 |
3.6 |
S |
13.0 |
35 |
-- |
0.0 |
| 3 AM |
40 |
3.0 |
S |
12.7 |
36 |
-- |
0.0 |
| 4 AM |
42 |
3.3 |
S |
12.3 |
38 |
-- |
0.0 |
| 5 AM |
41 |
3.2 |
SW |
12.4 |
39 |
8 |
0.0 |
| 6 AM |
42 |
2.2 |
S |
12.4 |
39 |
103 |
0.0 |
| 7 AM |
45 |
2.4 |
SW |
14.3 |
35 |
299 |
0.0 |
| 8 AM |
47 |
3.0 |
SW |
17.1 |
30 |
461 |
0.0 |
| 9 AM |
49 |
4.6 |
W |
19.2 |
23 |
696 |
0.0 |
| 10 AM |
52 |
4.3 |
W |
20.8 |
19 |
806 |
0.0 |
| 11 AM |
51 |
6.9 |
SW |
22.4 |
17 |
895 |
0.0 |
| 12 PM |
-- |
6.3 |
SW |
24.0 |
14 |
896 |
0.0 |
| 1 PM |
-- |
7.6 |
SW |
24.9 |
11 |
842 |
-- |
| 2 PM |
-- |
8.2 |
SW |
25.1 |
11 |
766 |
0.0 |
| 3 PM |
47 |
9.2 |
W |
24.9 |
11 |
672 |
0.0 |
| 4 PM |
49 |
8.8 |
W |
24.9 |
11 |
459 |
0.0 |
| 5 PM |
50 |
8.2 |
W |
24.5 |
12 |
260 |
0.0 |
| 6 PM |
51 |
7.5 |
SW |
23.3 |
14 |
81 |
0.0 |
| 7 PM |
55 |
8.0 |
SW |
20.5 |
20 |
0 |
0.0 |
| 8 PM |
49 |
6.8 |
SW |
18.7 |
24 |
-- |
0.0 |
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