Mammoth Cave National Park
View of Green River Valley Looking North-Northwest •
updated 01/14/2009 6:15 PM CST •
Visual range is approximately 70 miles
|
Current Conditions
as of 01/14/2009 • 6:00 PM CST
Current 1-hour average concentration |
27 ppb |
Current 8-hour average concentration |
29 ppb |
| Good |
Moderate |
Unhealthy for Sensitive Groups |
Unhealthy |
Very
Unhealthy |
 |
|
|
|
|
| 0 |
60 |
76 |
96 |
116 ppb |
|
|
Current 1-hour average PM2.5 concentration |
2.9 ug/m3 |
Current 24-hour average PM2.5 concentration |
4.6 ug/m3 |
| Good |
Moderate |
Unhealthy for Sensitive Groups |
Unhealthy |
Very
Unhealthy |
|
|
|
|
|
| 0 |
15 |
40 |
65 |
150 ug/m3 |
|
|
Current temperature |
38 F |
Current relative humidity |
54 % |
Current wind |
W - 9 mph |
Precipitation in last hour |
0.00 inches |
|
