3 ms·
I have an air quality monitoring device and I live in a place with clean air, so I just open a window. A PM2.5 of 2.318 (ug/m3) inside my room at the moment.
by calibas 5y ago
I have an air quality monitoring device and I live in a place with clean air, so I just open a window. A PM2.5 of 2.318 (ug/m3) inside my room at the moment.