Here are my latest podcast recommendations to learn Spanish:
Español con Juan, Español Espontáneo, Españolistos, Hoy Hablamos, No Hay Tos, Se Habla Español.
Sorry, I don't listen to podcasts in Spanish since I'm always listening to other languages. A couple that people mention often are Entiende tu mente and Radio Ambulante.
Sorry, I haven't listened to them extensively enough to tell. They are podcasts that are geared towards learners though, so I doubt they would use swearwords or talk about adult topics.
The duolingo podcasts have some good qualities and interesting stories. For me, there is too much English, but they have very high production values and have led me to some very interesting discoveries in “el mundo español” beyond the podcasts themselves.
Y más, Notes In Spanish es un podcast muy útil con niveles básico, intermediado y avanzado. Algún día espero que vamos a oír el Dreaming Spanish podcast. No me gusta ver videos cuando conduciendo. 😎