For the last months I got noticeably sick 3 times one after another with short breaks (I haven't been any seriously sick for 2+ years). I suspect, the primary cause is air quality in the rented apartment.
I temporary moved to hotel and now researching indoor air quality sensors and air purifiers.
I'm a newbie in the topic, materials and suggestions are appreciated.
when there's wildfire smoke 🔥💨 cuts between 19/20 and 999/1000 of dangerous PM2.5





