This analysis considers the data from a PurpleAir sensor in Point Richmond from 2017-09-30 to 2018-12-02.

Wind Direction

A look at the direction of the wind in the data set. The graphs show that the wind usually blows from the bay toward the community.

All Chemicals

These plots show the average measurement for all chemical species by wind direction. These graphs show that the average measurements of the combination of all chemical species are highest when the wind is blowing from the refinery.

Each Chemical

These plots show the average measurement of each chemical species by wind direction.

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