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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 Saturday May 18, 2013 |
Hour Ending
(Local Time) |
1-Hour Average
(parts per billion) |
8-Hour Average
(parts per billion) |
| 12 AM |
56 |
45 |
| 1 AM |
51 |
44 |
| 2 AM |
48 |
44 |
| 3 AM |
45 |
46 |
| 4 AM |
37 |
48 |
| 5 AM |
38 |
51 |
| 6 AM |
43 |
54 |
| 7 AM |
44 |
57 |
| 8 AM |
49 |
59 |
| 9 AM |
54 |
62 |
| 10 AM |
60 |
63 |
| 11 AM |
61 |
63 |
| 12 PM |
61 |
63 |
| 1 PM |
62 |
64 |
| 2 PM |
65 |
64 |
| 3 PM |
66 |
-- |
| 4 PM |
67 |
-- |
| 5 PM |
64 |
-- |
| 6 PM |
63 |
-- |
| 7 PM |
61 |
-- |
| Weather and Ozone Data Saturday May 18, 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 |
56 |
1.9 |
SW |
16.9 |
14 |
0 |
0.0 |
| 1 AM |
51 |
1.6 |
S |
16.3 |
15 |
0 |
0.0 |
| 2 AM |
48 |
2.4 |
S |
15.6 |
16 |
0 |
0.0 |
| 3 AM |
45 |
2.6 |
SW |
14.9 |
19 |
0 |
0.0 |
| 4 AM |
37 |
2.1 |
S |
13.8 |
19 |
0 |
0.0 |
| 5 AM |
38 |
2.5 |
S |
13.6 |
22 |
0 |
0.0 |
| 6 AM |
43 |
2.2 |
S |
13.3 |
25 |
40 |
0.0 |
| 7 AM |
44 |
2.0 |
S |
14.2 |
25 |
206 |
0.0 |
| 8 AM |
49 |
4.3 |
SW |
16.0 |
24 |
388 |
0.0 |
| 9 AM |
54 |
4.0 |
SW |
17.3 |
22 |
575 |
0.0 |
| 10 AM |
60 |
4.5 |
W |
18.5 |
19 |
787 |
0.0 |
| 11 AM |
61 |
4.7 |
W |
19.6 |
16 |
925 |
0.0 |
| 12 PM |
61 |
5.4 |
W |
20.9 |
15 |
1066 |
0.0 |
| 1 PM |
62 |
5.4 |
SW |
21.5 |
13 |
857 |
0.0 |
| 2 PM |
65 |
6.3 |
W |
22.0 |
10 |
545 |
0.0 |
| 3 PM |
66 |
7.1 |
W |
22.5 |
9 |
535 |
0.0 |
| 4 PM |
67 |
9.1 |
W |
23.0 |
8 |
639 |
0.0 |
| 5 PM |
64 |
9.5 |
W |
22.7 |
11 |
547 |
0.0 |
| 6 PM |
63 |
9.4 |
W |
21.5 |
15 |
195 |
0.0 |
| 7 PM |
61 |
7.7 |
NW |
19.4 |
20 |
22 |
0.0 |
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