Data

• The data we used is intended for Environment Protection Agency which they use to understand the ambient air quality and they monitor
• Available through the AQS Data Mart
• https://aqs.epa.gov/aqsweb/airdata/download_files.html
• Downloaded county shapefiles from: https://www.census.gov/geo/maps-data/data/cbf/cbf_counties.html

The data was read in the tables, the format of the file was csv and were used to visualize in multiple ways for the viewers could see a correlation between the data in an efficient manner. For visualization purposes, there's pie-chart, bar chart, tables to show annual, daily and hourly AQI conditions. Visualization is available for the US states and any county from within for years between 1980-2018.