Aromas can permeate the surface and be hard to remove.

I can recommend these fascinating books for those who want to dig deeper (from their armchairs):How To Live In Detroit Without Being A Jackass, by Aaron Foley (bonus if you can ID the cover design reference)Detroit: The Dream Is Now, by Michel Arnaud (these 2 books alone will show the delicate balance needed between Old and New)Unreal Estate Guide To Detroit, by Andrew Herscher (highlights the quirky underground creativity that permeates the city) 

If they were smoking outside, the odor would quickly dissipate and would not permeate the building envelope and infuse into the other units. 

The smell of cat permeated the house and my mother said we had no mice in the house that year.Does the fact this mouse was found dead make a difference?

Apparently, it permeates the building envelope and travels through the shared walls. 

But New York’s streetscape had been permeated as never before with twitchy, adhesively catchy LEDs, a trend that has only accelerated during the pandemic, with the Metropolitan Transportation Authority announcing last summer the addition of 9,000 screens broadcasting “Covid-relevant safety information.”

She was stunned to find out that it doesn't go on until Oct 1st.The next was the newly arrived refugee couple complaining about the smell of marijuana permeating into their unit. 

As a few commenters have posted, the smoke will permeate everything, even in a small fire.

Maybe they were hoping I wouldn’t notice the bad smell permeating the house, or the unauthorized changes to the shower fixtures, missing closet shelves, mold/mildew on window sills and frames, filthy oven (all contrary to Lease), and also cigarette butts and dog waste outside (both required to be disposed of daily per the Lease)….well, you get the point.

Wage growth is still running at over 4%, above core inflation.This permeates to all workers, including the construction trades, and thus, to the price/cost of homes.