# xarray.CFTimeIndex.dropna

#### CFTimeIndex.dropna(how='any')[[source]](https://github.com/pydata/xarray/blob/main/xarray/../.pixi/envs/doc/lib/python3.14/site-packages/pandas/core/indexes/base.py#L2780-L2812)

Return Index without NA/NaN values.

* **Parameters:**
  **how** (`{'any', 'all'}`, *default* `'any'`) – If the Index is a MultiIndex, drop the value when any or all levels
  are NaN.
* **Returns:**
  [`Index`](https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.Index.html#pandas.Index) – Returns an Index object after removing NA/NaN values.

#### SEE ALSO
`Index.fillna`
: Fill NA/NaN values with the specified value.

`Index.isna`
: Detect missing values.

### Examples

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```pycon
>>> idx = pd.Index([1, np.nan, 3])
>>> idx.dropna()
Index([1.0, 3.0], dtype='float64')
```

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