{"version":"1.0","type":"rich","title":"Scatter Plot Roadside Pollution over Time","description":"This interactive scatter plot visualizes monthly roadside pollution levels in London from January 2010 through August 2018, sourced from the Kings College London Air Quality Dataset. Each circle represents a monthly average, colored by pollutant type, with a legend that filters data on click. The visualization includes animated transitions using `transition().duration()` and `delay()`, a dropdown menu for selecting variables, and D3 v5 APIs including `scaleTime`, `scaleLinear`, `axisBottom`, and `axisLeft`. The chart renders as an SVG with interactive color legend and axis labels.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/9d89dab6e4cc468692073cc7d9b54dbb?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}