[Bigiron]

Think that indoor air is always fresher than outdoors? Experts say otherwise and here's what you should do about it

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[red3]

This also need experts to write. The variety and abundance of life in mountains and nature already shows this for millions of years

[singlon]

normally YES
in time of say atom blast u need to be indoor
find protection
the idea is which one has more of the toxins take haze for ex.
which outside is worse and u have to breathe in the stuff
better less than more