{"version":"1.0","type":"rich","title":"area chart","description":"This area chart visualizes the monthly trend of average AQI values, with a teal filled area beneath the line and labeled data points. Built with D3 v7, it loads a CSV dataset from a GitHub gist, parses month names using `d3.timeParse`, and renders the chart as an SVG. The visualization uses a `d3.area` generator to create the shaded region, with time-based x-scale via `d3.scaleTime` and linear y-scale via `d3.scaleLinear`, plus axes from `d3.axisBottom` and `d3.axisLeft`.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/4b547460a43e45fb9a2c2de8caec1701?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}