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Fork of PM 2.5 Particle Change in US

✓ Published0🌍 Public
DDonald Bagwell
Last edited Dec 20, 2023
Created on Dec 20, 2023

This interactive choropleth map visualizes PM2.5 particle concentration changes across US counties from 2000 to 2018. A slider, oriented vertically on the left with auto-play, lets users scrub through the years, revealing shifting pollution hotspots. Each county polygon is filled using a `d3.scaleSequential` with `interpolateYlGnBu` color scale, where darker blues represent higher concentrations. Built with React and D3 v5, it uses `d3.geoPath` with an Albers projection on topojson data, and includes a gradient legend with tick marks for reference.

AI-generated description

A demonstration of how to start using D3 version 6.

MIT Licensed

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