| user: | ahaucnx |
| created: | June 20, 2020 |
| karma: | 3.8k |
| about: | Passionate about air quality monitoring. Founded AirGradient after experiencing hazardous smoke from wildfires in Northern Thailand. Many of our air quality monitors are open-source. Contact: https://www.airgradient.com/support/ |
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| 13. | Most air cleaning devices have not been tested on people(theconversation.com) |
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