Similar to nose hairs, ears should always be trimmed or completely free of hair.
You can visit your barber or stylist to trim them for you or get yourself nose and ear trimmer to save the time. Although it usually takes few minutes to finish with trimming ear hair.
Stick to the rule that tips of ear and nose hairs should not be visible, despite the fact that people now also see peeking hair from the side view and not straight-up anymore.
The best way to remove the ear hair permanently is by hair electrolysis