| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| agentpesnot | "This might be of interest to you! Dream collects greenhouse gases and air quality: https://supersensor.myshopify.com/ " | Read more » | over 2 years ago | |||
| SBucic | "@bhamster Thank you very much. Incredibly helpful information! " | Read more » | over 2 years ago | |||
| bhamster | "Hi @SBucic ! Another community group in the past monitored formaldehyde at natural gas compressor stations using an electronic meter. There's some ..." | Read more » | over 2 years ago | |||
| frankaderb | "The performance of the consumer grade sensors compared to the professional grade monitors in the second paper doesn't inspire much confidence. Pet ..." | Read more » | over 2 years ago | |||
| eustatic | "nota bene, you probably want to blot out / white out the QR code in this photo as well. " | Read more » | over 2 years ago | |||
| eustatic | "maintenance--hire someone, lol. I use air canisters to clean them of spiders. the units die, but are cheap enough to replace. I have tried to 'r..." | Read more » | over 2 years ago | |||
| eustatic | "i wrote out installation tips " | Read more » | over 2 years ago | |||
| bhamster | "Tagging in @LESBreathe in case you have any tips, too! " | Read more » | over 2 years ago | |||
| bhamster | "This presentation from the Wisconsin Dept of Natural Resources has some info on another kind of passive sampler for benzene, and compares the resul..." | Read more » | almost 3 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 » | almost 3 years ago | |||
| bhamster | "Thanks for this question @tylerknight. Are you interested in monitoring VOCs indoors or outdoors? And are you hoping to detect particular VOCs or "..." | Read more » | almost 3 years ago | |||
| kgradow1 | "This resources has links to a bunch of community-based air sensors that the EPA has evaluated. I'm sure some of these are web enabled: https://ww..." | Read more » | about 4 years ago | |||
| kgradow1 | "There are a number of phone apps available for odor logging and you can probably also download an app to give you realtime data from national AQM i..." | Read more » | about 4 years ago | |||
| amocorro | "@bhamster @mimiss @eustatic come across any you can share on this thread? " | Read more » | about 4 years ago | |||
| kgradow1 | "Hi Stevie! I'd like to link this on the bucket project page, would you be willing to add the tag bucket-monitor? " | Read more » | over 4 years ago | |||
| warren | "We didn't do any calibration at all, and are just reporting out the values produced by the sensor. Purple Air does a conversion to AQI, but do you ..." | Read more » | over 5 years ago | |||
| crispinpierce | "Thanks @stevie and @warren. So green is 140 degrees and represents 0 ug/m3 and red is zero degrees and >= 20 ug/m3? I'm curious about how the ca..." | Read more » | over 5 years ago | |||
| warren | "This wheel shows the range of values from 0-140 that correspond to the 0-20 values from the sensor: " | Read more » | over 5 years ago | |||
| warren | "Just that a really in-depth discussion on how this works can be found here: https://publiclab.org/questions/warren/04-18-2019/brainstorm-on-ways-to..." | Read more » | over 5 years ago | |||
| stevie | "These particular sensors, the way they are programmed, is to test a range between 0 and 20 micrograms per cubic meter, where 0 is green, and red is..." | Read more » | over 5 years ago | |||
| liz | " Hi @shannonkmcalpine , wondering how you are getting along. To add to @jeffalk's response, perhaps you might be interested in @cfastie's response ..." | Read more » | over 5 years ago | |||
| Ag8n | " The only other thing to point out- all these calculations assume the particles are spheres. We had particle surface area measuring equipment. T..." | Read more » | over 5 years ago | |||
| wu_ming2 | " I believe your first question was answered in general terms here: https://publiclab.org/questions/Ag8n/08-18-2018/pharmaceutical-class-100000-part..." | Read more » | over 5 years ago | |||
| warren | " @nanocastro @cbarnes9 @ag8n @wu_ming2 @bigmit37 might also know a bit about this? " | Read more » | over 5 years ago |