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On my bed doing some work. and then you can see later when i went to bed to go to sleep, again i kicked up a load of dust. what was surprising here was that the air quality results actually looked a bit worse with the window open for 2a 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 fil...

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 have any air quality measuring. you just turn it on or off and you can set the timer for as long as you want, so i left it running on medium for 2h hours. here's the air quality data from saturday with no intervention. and here it is from sunday with the tcp breeva running for 2h hour...

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 have any air quality measuring. you just turn it on or off and you can set the timer for as long as you want, so i left it running on medium for 2h hours. here's the air quality data from saturday with no intervention. and here it is from sunday with the t...

The tcl filter got the air quality index all the way down to zero again and for a low—cost device, i thought that was pretty impressive. the second filter i tried was by south korea's dynair and this one caught my eye because it used ultraviolet uvc to kill airborne viruses. it's very appropriate in these times. the machine has an automatic mode and built—in sensors. so when it detects a lot of dust in the air, the light turns red and the fan kicks in, which it did as soon as i got up in the morning and kicked up a load of dust. here's the air quality data from monday with no intervention....

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...