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A comment on IKEA made a smart air quality sensor to track indoor pollution. Parent comment
This is from experience.
The CO2 level in my bedroom gets high whilst I sleep.
I open the window and the CO2 drops quickly but the pollutant levels rise.
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This is from experience.
The CO2 level in my bedroom gets high whilst I sleep.
I open the window and the CO2 drops quickly but the pollutant levels rise.