[fuzzfactor]

With some air sometimes you just have to accept that without some high-maintenance effort, there would be no clean air at all.

For any one person fresh natural outdoor allergens like pollen may or may not be better or worse than accumulations of indoor pollutants. And there can be major differences at different times of the year.

If you're extremely sensitive to spent filtration media, that could be a strong sign that the filtration process is being fairly effective.