| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| tylerknight | "Purple Air's are designed to measure the passive concentrations of particulate matter in the location they're deployed using a laser, so when a par..." | Read more » | over 1 year ago | |||
| tylerknight | "Great ideas! I'll add a percentage column to the table to better highlight how much of the month was over 12 μg/m3. Highlighting community reports..." | Read more » | almost 2 years ago | |||
| tylerknight | "Thanks for the papers! Unfortunately benzene is one of the VOCs of concern, and based on the conclusions of that first paper, sensitivity is still ..." | Read more » | about 2 years ago |