Mammoth Cave National Park
View of Green River Valley Looking North-Northwest
updated 11/24/2009 03:30 AM CST • Visual range is unavailable
|
Current Ozone Conditions
as of 11/24/2009 02:00 AM CST •
Current 1-hour average concentration |
10 ppb |
Current 8-hour average concentration |
9 ppb |
| Good |
Moderate |
Unhealthy for Sensitive Groups |
Unhealthy |
Very Unhealthy |
 |
 |
 |
 |
 |
| 0 |
60 |
76 |
96 |
116 ppb |
|
|
Current Particulate Conditions
11/24/2009 03:00 AM CST •  
Current 1-hour average PM2.5 concentration |
6.0 ug/m3 |
Current 24-hour average PM2.5 concentration |
5.6 ug/m3  |
| Good |
Moderate |
Unhealthy for Sensitive Groups |
Unhealthy |
Very Unhealthy |
 |
 |
 |
 |
 |
| 0 |
15 |
40 |
65 |
150 ug/m3 |
|
|
Current Meteorological Conditions
as of 11/24/2009 04:00 AM CST •  
Current temperature |
52 F |
Current relative humidity |
97 % |
Current wind |
SSW - 1 mph |
Precipitation in last hour |
0.00 inches |
|