The script creates wind rose and pollution rose plots using pollutant, wind speed, and wind direction data. It is a Python based script using and its libraries. Both Python, a programming language, and its libraries are open source and publicly available to download, install, and use under appropriate licenses.  The script was designed by California Air Resources Board Staff for assessment of community air quality information.

Previous Versions

Wind Rose and Pollution Rose Diagrams, dated July 10, 2020