BBCNEWS Click May 30, 2021 11:46:00
What was surprising here was that the air quality results actually looked a bit worse with the window open for 2h hours. i don't know if that was just because there was a breeze coming in and so the dust was kept agitated and floating around for longer. it's hard to say, but if you look at the next day's readings with the window closed and no other interventions, overall, the dust spikes were lower. anyway with that out of the way, it was time for some tech. the first filter i tried was the tcl breeva. i wanted to include a low—cost device so this one doesn't have an auto mode and doesn't ha...
Source: archive.org
