Charts to track the inflation rate in the United States are on the website for the United States Bureau of Labor Statistics. There are also tools available on this site for creating customized charts for tracking inflation.
While there are many other charts that track inflation, these generally use the information from the Bureau of Labor Statistics. By going directly to the source, you can customize the information to meet your needs. You can also get more detailed information about how the changes in prices of individual goods have impacted the overall rate of inflation over a given time period.