Current Ozone and Weather Data in National Parks
Joshua Tree National Park - Cottonwood Canyon, CA
EPA AQS Site Number:
| Yesterday's Data | Data Timelines | Ozone Health Advisory |
|---|
| Ozone Saturday October 31, 2009 | ||
|---|---|---|
| Hour Ending (Local Time) |
1-Hour Average (parts per billion) |
8-Hour Average (parts per billion) |
| 12 AM | 30 | -- |
| 1 AM | 31 | -- |
| 2 AM | 30 | -- |
| 3 AM | 30 | -- |