The air that I breath...

[The Returnee]

was a great song.
I’ve had an ioniser in my home for years: sat against a white wall which I have to clean every six months: a black shadow for on the wall.

For that reason, i’ve bought one for the motorhome for nighttime use.

Do many of you have one in your motorhomes?

 

[Geo]

Why? What are you afraid of breathing in

 

[The Returnee]

Nothing. Negative ions are good to breathe in, but they do also filter the air of particles. Just wondering: sleeping in a small, pretty well-sealed bedroom...

 

[Geo]

Thats the point it isn't sealed at all, every ounce of air to pull toward you cleaner draws in an equal amount of dirty outside air
MoHo are anythin but sealed, if they were you'd Die in em

If it works for you carry on. BUT
Broken Link Removed a .gov site
Despite numerous experimental and analytical differences across studies, the literature does not clearly support a beneficial role in exposure to negative air ions and respiratory function or asthmatic symptom alleviation. Further, collectively, the human experimental studies do not indicate a significant detrimental effect of exposure to positive air ions on respiratory measures. Exposure to negative or positive air ions does not appear to play an appreciable role in respiratory function.

 

[The Returnee]

Hmm, well, breathing air by the sea always feels more invigorating. My health is fine, but I will search for the photo of the filth mine pulls onto the wall...

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[jockaneezer]

I will search for the photo of the filth mine pulls onto the wall...

I think if you pointed a desk fan at a wall and ran it for 6 months you'd probably end up with a dirty patch on the wall, all it's doing is taking the dust that's in the air and concentrating it onto a small patch of wall.
I don't know about negative ions but is that what's found in ozone by the sea ?

 

[Ridgeway]

There certainly should be an increase in Co2 in a small enclosed space like a camper (especially in Winter). Anything above 1000ppm is thought to be less than ideal, it would be worth measuring Co2 before anything else in my opinion.