User blog comment:SonOfZeus1200/The Camp Half-Blood & Kane Chronicles Series will collide!/@comment-3463051-20120506124041/@comment-3146930-20120506205644

Yes and no. I mean the Mist is stronger in the West to hide Camp Jupiter from the Greeks, but it is also especially strong there because the Titan base is still in the area. There is just a lot of Mist in the San Francisco area in general