The normal range of CO2 concentration is 350-1000 ppm.
| CO2 Concentration (ppm) | Description |
|---|---|
| 350-1000 | Normal outdoor level |
| 1000-2000 | Acceptable indoor level |
| 2000-5000 | Poor indoor air quality |
| 5000+ | Highly polluted indoor environment or health hazard |
本文内容由互联网用户自发贡献，该文观点仅代表作者本人。如发现本站有涉嫌抄袭侵权/违法违规的内容，请发送邮件至举报，一经查实，本站将立刻删除。本文链接： http://www.tgcxw.com/cyzx/75829.html
