Google Takeout includes Blogger blogs and Google+ Pages
Google Takeout is an online tool that allows users to download their data from popular Google services like Buzz, Piccasa, Google+, Drive, YouTube and more. The Takeout feature is provided by Data Liberation Front. The Engineering team now includes other popular services Blogger and Google + pages.
From now with Google Takeout you can export each of your blogs as an Atom Xml file. and also the new features allows to download html files with your posts and json files containing the circles for each Google+ Page you own. Source