I used to live rurally but then moved to the city. It is always shocking noticing all the pollutant smells when I return to the city from a stint in the fresh a

I used to live rurally but then moved to the city. It is always shocking noticing all the pollutant smells when I return to the city from a stint in the fresh air of the countryside. It's surprising how quickly your body adapts and begins to ignore the pollution. I know it is around me now but I can't smell it.