{"version":"1.0","type":"rich","title":"PM2.5 For Selected Country","description":"A multi-line chart displays PM2.5 air pollution values per year for a selected country, drawn as SVG paths using D3 v5 within a React framework. A dropdown menu lets the viewer choose a country, triggering a redraw of the line chart and its color legend. The visualization uses d3.line, d3.curveBasis, d3.scaleLinear, and d3.scaleOrdinal, with data loaded from a CSV via d3.csv and processed into yearly series.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/825f987bcf54440eb79d7ad952b84965?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}