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Python library for modeling aviation climate impacts

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Python library for modeling aviation climate impacts

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License Apache License 2.0
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pycontrails is an open source project and Python package for modeling aircraft contrails and other aviation related climate impacts.

pycontrails defines common data structures and interfaces to efficiently build and run models of aircraft performance, emissions, and radiative forcing.


Documentation and examples available at


Requires Python (3.9 or later)

$ pip install pycontrails

# install with all optional dependencies
$ pip install "pycontrails[complete]"

Install the latest development version directly from GitHub:

pip install git+

See more options in the install documentation.

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Apache License 2.0

Additional attributions in NOTICE.

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