Yep, MERV13 or MERV14 is more than enough if all you're worried about is dust, pollen and smoke.

Because it's not as fine of a filter, far less air pressure is required to filter the air. This results in much, much quieter purifiers.

The endgame of this sort of goal is PC case fans. They've been optimized for decades now to squeeze every last bit of airflow for less and less noise, and they last for a couple decades or more.