| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| warren | "Just noting also a big round up of notes on humidity and fog with optical sensors here: https://publiclab.org/questions/sarasage/08-10-2021/is-the..." | Read more » | over 3 years ago | |||
| hansley10 | "Thanks for sharing these great tips about blog commenting. Keep up the great work. best server for small business " | Read more » | over 3 years ago | |||
| liz | "For future readers of this thread, @samr did repost here: https://publiclab.org/questions/samr/04-07-2019/how-to-interpret-pms5003-sensor-values " | Read more » | over 5 years ago | |||
| warren | " Hi @samr, would you be able to repost your last questions on https://publiclab.org/purpleair#Questions, and we can then try to get the word out a ..." | Read more » | over 5 years ago | |||
| samr | " hi. we are trying to use the pms5003 sensor for a school project to take air quality measurements. We don't have much experience with air qualit..." | Read more » | over 5 years ago | |||
| warren | " Just linking in your excellent question here: https://publiclab.org/questions/wu_ming2/02-02-2019/how-do-i-calculate-error-for-averages " | Read more » | almost 6 years ago | |||
| onedollarwebhostings | " Get a great lesson for this post. Visit at http://www.onedollarwebhostings.com/rs-99-web-hosting-domain-godaddy-india.html to get a best hosting o..." | Read more » | almost 6 years ago | |||
| wu_ming2 | "I posted a related question awaiting approval but may be more useful to follow up here. I am trying to estimate the error for PA2.5 values as prov..." | Read more » | almost 6 years ago | |||
| lincomatic | "Some anecdotal evidence.. I've built my own PM2.5 monitor using the PMS5003, and have found it to be very resistant to influences of high humidity,..." | Read more » | almost 6 years ago | |||
| warren | "Hi, any updates on the high humidity tests? Thank you! " | Read more » | almost 6 years ago | |||
| warren | "@guolivar have you read over these reports and do they factor into your assessment of the Purple Air? Thank you both! " | Read more » | about 6 years ago | |||
| warren | "This is a GREAT post. Thank you so much!!! " | Read more » | about 6 years ago | |||
| warren | "Ah, yes, confirmed by @guolivar's post: https://publiclab.org/notes/guolivar/01-08-2018/thoughts-on-low-cost-air-quality-sensors " | Read more » | about 6 years ago | |||
| warren | "@warren awards a barnstar to guolivar for their awesome contribution! " | Read more » | about 6 years ago | |||
| warren | "Quick update - the sensor in the Purple Air seems to be this one or one very similar, a laser based sensor with a fan -- the PMS5003 -- $30 shippe..." | Read more » | about 6 years ago | |||
| stevie | "Hi @BrandonFeenstra ! I had a group asking me about the Dylos this morning, so I went to the AQMD website and found the report for it like the one ..." | Read more » | about 6 years ago | |||
| GreenFrogg | "I don't have experience with the Purple Air. The page is an overview made by the Dutch institute of environmental health (RIVM). They coordinate. Y..." | Read more » | about 6 years ago | |||
| stevie | "@GreenFrogg I was checking out your list of sensors on this page and didn't see the Purple Air. Have you worked with it? what are your thoughts on..." | Read more » | about 6 years ago | |||
| lincomatic | "thank you for the super detailed summary! " | Read more » | over 6 years ago | |||
| aldehyde | "Hi. What kind of Framework (for Participatory PM2.5) can use for creating monitoring cities? " | Read more » | almost 7 years ago | |||
| aldehyde | "Hey folk, What kind of Framework (for Participatory PM2.5) can use for creating monitoring cities? " | Read more » | almost 7 years ago | |||
| liz | "This is so helpful and readable -- a gift! thank you! " | Read more » | almost 7 years ago | |||
| guolivar | "I tried to put a long answer here but it kept throwing errors so I wrote a note with my thoughts on this issue: https://publiclab.org/notes/guoliv..." | Read more » | almost 7 years ago | |||
| warren | "Wig Zamore also chimed in on the mailing list: Hi Jeff - My guess is that if Weather Underground and EPA and CARB have been involved the product i..." | Read more » | almost 7 years ago |