Let’s talk about air quality data! Join us for Open Call on this topic every Tuesday until Dec. 14. Click here for call-in details!

Public Lab Wiki documentation

Open Air

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This is an open source community effort to develop a range of low-cost air quality monitoring and remediation tools. Welcome!

Join in by:

  • Reading about goals and asking great questions
  • Trying (and critiquing) our community-made how-to guides
  • Posting your own how-to guides and mods
  • Building on others’ work; hack and remix the kits to refine and expand them
  • Submit your improvements for inclusion in an upcoming starter kit release or add-on
  • Serving on a Research Review Group for a 3 month period


State-by-state info sheets on indoor air quality assistance and governance (work in progress!)


Add an activity  or request an activity guide you don't see listed

Activities should include a materials list, costs and a step-by-step guide to construction with photos. Learn what makes a good activity here.

Frequently Asked Questions about air quality

Title Author Updated Likes Comments
What are some of the first things you do with air quality monitoring data to better understand it? @bhamster 6 days ago 4
What are ways to monitor for ethylene oxide? @stevie 2 months ago 1
What are air quality indicators you should watch for around a landfill that indicate you should take a grab sample? @stevie 2 months ago 3
Is there a correlation between humidity and particulates in the air? @sarasage 3 months ago 3
How to connect an anemometer to an air particulate monitor? @crispinpierce 3 months ago 0
How subsurface gasses migrate and what allows them to dissipate? Landfill gasses @denissebn_06 4 months ago 5
HOW do i find testing for air quality in my home - specifically for silica? @MaryBandy 9 months ago 4
What are some affordable methods of air quality monitoring in New Orleans? @purl 9 months ago 5
Chevron is up for a permit renewal again (under title 5 of the Clean Air Act), we have a 4800 page report on the company, how can we get through it and pull out the valuable info? @stevie 10 months ago 24
What are your experiences using low-cost VOC sensors outdoors? And other questions about accuracy. @bhamster 11 months ago 5
Can a successful heavy metal analysis using moss samples be designed for community partners? @stevie about 1 year ago 3
For the Bucket Monitor, how many tedlar bags do you need per-sampling? @mimiss about 1 year ago 5
What causes shimmering air above flares? @kgradow1 over 1 year ago 5
Where is non-compliance reported for fencline monitoring? @A_SCH over 1 year ago 2
How accurate is data on WebFire? @ajg434 over 1 year ago 3
How do you account for wind in an air study? @kgradow1 over 1 year ago 2
Updated list of EPA TO methods? @kgradow1 over 1 year ago 1
What are ways to monitor for oil and gas spills on private property? @stevie over 1 year ago 3
T and RH compensation for PM measurements? @subir over 1 year ago 3
Can we add a 2um filter to the bucket monitor to capture particulates? @kgradow1 over 1 year ago 4
Have you used the bucket air sampler or other grab sample tool? @kgradow1 over 1 year ago 13
Which NO2 Sensor for low-concentration measurement? @Alex_Solaga over 1 year ago 4
MiniVol for gas sensing? @kgradow1 over 1 year ago 2
Is the Purple Air sensor an EPA-validated tool? @kgradow1 over 1 year ago 4
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Ask a question  or help answer future questions on this topic

Also see http://publiclab.org/wiki/air-quality

Additional media

By @zengirl2: https://blog.adafruit.com/2016/08/09/how-to-purify-your-air-with-hacked-plants-publiclab-citizenscience/