This is why you should open up the house to the outdoors sometimes.
CO2 is 394 and often itβs over 550 and I start feeling it around 630 (which is still low.)
Started trying to understand CO2 for productivity & other things about a month ago. (Switchbot looks like the better deal in retrospect.)
https://shiitake.us-east.host.bsky.network/xrpc/com.atproto.sync.getBlob?did=did:plc:tbr4cunn6r4hox73ybzjfwt3&cid=bafkreibnucodavbg3au53ijhxer2bg4un57wlxwe52dwbw67nv3lijxe4a