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Indoor carbon dioxide levels could be a health hazard, scientists warn | Air pollution | The Guardian
![Do····· ··om···· 🍃 on Twitter: "Looking now on a CO2 monitor, i never realized how fast the PPM rate of carbon dioxide rises in a small room.. opening my window a lot Do····· ··om···· 🍃 on Twitter: "Looking now on a CO2 monitor, i never realized how fast the PPM rate of carbon dioxide rises in a small room.. opening my window a lot](https://pbs.twimg.com/media/EU52CCRXYAAxl4j.png)
Do····· ··om···· 🍃 on Twitter: "Looking now on a CO2 monitor, i never realized how fast the PPM rate of carbon dioxide rises in a small room.. opening my window a lot
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Environments | Free Full-Text | Low Level Carbon Dioxide Indoors—A Pollution Indicator or a Pollutant? A Health-Based Perspective
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Climate change: Carbon dioxide levels are higher than they've been at any point in the last 3.6 million years - CBS News
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Carbon Dioxide CO2 + PM2.5 Air Quality Monitor, Pollution & Ventilation Meter – Temperature and Humidity Sensor – Measure Indoor Ventilation Levels with CO2 PPM and PM2.5 Micron Dust Levels : Amazon.co.uk:
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