When HN users recommended it
1 HN user recommended this in 2021, in one comment.
20072026
Each tall tick is one HN user's first recommendation. A short tick is the same user again. Click a tick to jump to the comment.
1 HN user recommended this in 2021, in one comment.
Each tall tick is one HN user's first recommendation. A short tick is the same user again. Click a tick to jump to the comment.
It really depends on where you live and what the air's like.
I have a $100 HEPA air purifier, and separately an air quality monitor. I live in a very residential area of Brooklyn on a side street.
On normal days the air purifier makes absolutely no difference because PM10/PM2.5 are relatively low just generally.
But the other week when wildfires were producing smoke that smogged up NYC? It absolutely made a difference (brought indoor levels back to "normal", far lower than outdoors that day) and I was happy to be able to run it.
Before you buy a purifier, buy an air quality monitor. This is the one I got, based on reviews it seems to be the most accurate for any under $100:
https://www.amazon.com/gp/product/B08P4QN2NN?psc=1