# Data Dictionary - European Air Passenger Traffic - Eurostat, cleaned monthly Parquet

**Units:** vary by `indicator` - read the per-row `unit` column (overall: passengers carried (count)).  Times are UTC.

| column | type | description |
|---|---|---|
| `zone` | str | Geo / country code (DE, FR, NL, …) |
| `ts` | timestamp (UTC) | Month |
| `indicator` | str | Air passengers |
| `value` | float | Total passengers carried that month (count) |
| `unit` | str | Unit |
| `res_min` | int | Native resolution (monthly) |

*Source: Eurostat (European Commission).*