What’s the default indoor/outdoor difference in pm2.5 and ozone without interventions like hepa+carbon filters? Assuming closed but not sealed windows and with/without AC...
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Replying to @vgr
It depends what you are doing at the time. Particulate sensors will pick up water vapour, smells from cooking and some types of dust. Is there pollen outside? That can make the outdoor count higher.
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Replying to @strangeattracto @vgr
I used the Dylos DC1700-PM particulate sensor for a while. I was surprised how much it picked up water vapour, and how much it didn't pick up wood smoke when I was smelling it http://www.dylosproducts.com/dcpmaqm.html
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Replying to @vgr
No, that's cheap! For an air quality sensor, that is. If I wanted to go the next step up and have a portable sensor that can measure more, it would be something like $5000 for the base monitor and a few modules.https://www.aeroqual.com/product/series-500-portable-air-pollution-monitor …
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Replying to @strangeattracto @vgr
Which is why I haven't bought an Aeroqual. Even so, the situation is better than about 15-20 years ago when an equivalent sensor was about $25 000.
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Replying to @strangeattracto @vgr
I can make distinctions and detect things that the Dylos PM sensor was not picking up. It wasn't anywhere near an outsource-my-nose option for me.
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Replying to @strangeattracto
We should have you on
@scorpioseasontv to talk about
and air quality sensors1 reply 0 retweets 0 likes -
stay tuned
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