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Fork of Pollution in US with counties by React and d3

✓ Published0🌍 Public
AAndrey Getmanov
Last edited May 31, 2022
Created on May 31, 2022

This choropleth map of US counties visualizes PM2.5 concentration per year from 2000 to 2018, allowing users to select a specific year or trigger a play animation that cycles through the data. The map colors each county using a sequential YlGnBu color scale via `d3.scaleSequential` and `d3.interpolateYlGnBu`, with grey indicating missing data. The map is rendered with `d3.geoPath` and a `geoIdentity` projection, while a slider and play button control the temporal dimension. Data comes from a CSV file of county-level PM2.5 values, and county boundaries from the US Atlas TopoJSON.

AI-generated description

The final version of the Data Visualization final project.

Data of PM2.5 concentration from PM2.5 by County.

County and state boundries from US county altas.

Adapted and extended from Mass School District Boundaries

Inspired by Choropleth.

MIT Licensed

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