Mammoth Cave National Park
View of Green River Valley Looking North-Northwest
updated 11/07/2009 05:45 PM CST •
Visual range is approximately 97 miles
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Current Ozone Conditions
as of 11/07/2009 05:00 PM CST •
Current 1-hour average concentration |
57 ppb |
Current 8-hour average concentration |
50 ppb |
| Good |
Moderate |
Unhealthy for Sensitive Groups |
Unhealthy |
Very
Unhealthy |
 |
|
|
|
|
| 0 |
60 |
76 |
96 |
116 ppb |
|
|
Current Particulate Conditions
11/07/2009 05:00 PM CST •
Current 1-hour average PM2.5 concentration |
9.0 ug/m3 |
Current 24-hour average PM2.5 concentration |
6.8 ug/m3 |
| Good |
Moderate |
Unhealthy for Sensitive Groups |
Unhealthy |
Very
Unhealthy |
|
|
|
|
|
| 0 |
15 |
40 |
65 |
150 ug/m3 |
|
|
Current Meteorological Conditions
as of as of 11/07/2009 06:00 PM CST •
Current temperature |
66 F |
Current relative humidity |
37 % |
Current wind |
SSW - 2 mph |
Precipitation in last hour |
0 inches |
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