Ambient Conditions Database
The ESO ambient conditions database includes measurements of environmental parameters for the La Silla Paranal observatory at three sites in Northern Chile: La Silla, Paranal and Chajnantor (APEX observatory site).
Please select one of the following observatory sites to search the database by date and display environmental parameters:
| Graphical Monitor | Query and Download | |
 La Silla monitor |
 La Silla ambient query form |
 La Silla METEO |
 Paranal monitor |
 Paranal ambient query forms |
 Paranal METEO |
 APEX weather monitor |
 APEX weather query form |
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