Public Lab Wiki documentation

Open Air

170 views | Last edited by liz almost 2 years ago | #11626

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!)


Purpose Category Status Author Time Difficulty Replications
Build a plant-based air purifier build in-progress @nshapiro 3h easy 5 replications: Try it »
DIY Formaldehyde Test Kit build in-progress @nshapiro 3h medium 3 replications: Try it »
Leptos: gas detection and monitoring station - - @imvec - - 0 replications: Try it »
DIY: Wi-Fi Streaming Weatherproof PM2.5 Monitor (Dylos-based) monitor complete @kevinvivergy 5h medium 0 replications: Try it »

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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
What is the correct AQI measure ? @sagarpreet about 2 months ago
How to interpret PMS5003 sensor values? @samr about 2 months ago
Is there a predictive relationship between the number of PM 2.5 and smaller airborne particulates compared to the mass of the same ug per cubic meter? @Tomp about 2 months ago
Where can diffusion tubes for detecting nitrogen dioxide be found in different parts of the world? @warren 3 months ago
Seeking sources of local wind/weather data @warren 3 months ago
How to start air monitoring project? @shannonkmcalpine 4 months ago
Building a case against Aluf Plastics -- polluting my town & I need help @michaelwma 5 months ago
What do we know about EPA National Emissions Inventory (NEI) data? @warren 7 months ago
How can we connect a PMS5003 dust sensor to an Arduino? @warren 7 months ago
Can biosolids promote certain types of mold growth in buildings? @zengirl2 8 months ago
Low-cost air quality sensors to measure PM2.5, PM10? @bigmit37 9 months ago
Air quality balloons - an updated version? @cindy_excites 10 months ago
Is there someone who can help pull and analyze Purple Air data? @stevie 12 months ago
Looking for hands-on help with a datalogger! @Bronwen about 1 year ago
Can MiniVol (TAS Particulate Matter Monitor) measure Black Carbon or Elemental Carbon? @stevie about 1 year ago
Hey @matthew I am trying to build same PPM kit you guys have here. Where did you guys get the sampler stub? @Matej about 1 year ago
what data-logger will work with my portable HCHO meter? @nshapiro about 1 year ago
Lego Spectrometer suitable for studying sunlight? @jsbonillam about 1 year ago
3 particle type @Ag8n over 1 year ago
What are good humidity sensor/monitors to use with gas sampling kits? @gretchengehrke over 1 year ago
Anyone in Ontario working on ultrafine particle pollution? @liz over 1 year ago
What are different ways to collect respirable dust samples for analysis? @warren over 1 year ago
What kind of Framework for Participatory PM2.5 can be used for creating monitoring cities? @stevie over 1 year ago
What is the best way to take a sample of snow to look for particulates? @stevie over 1 year ago
What are ways to make DIY filters to remove particulate pollution from indoor air? @zengirl2 over 1 year ago
What are some ways to collect dust or particulate samples for analysis? @warren over 1 year ago
Training in odor identification? @sara over 1 year ago
How do I choose between different types of air canisters for grab sampling? @stevie over 1 year ago
What are the relative rates of hydrogen sulfide oxidation in ambient air? @gretchengehrke over 1 year ago
Methods for or experience measuring workplace hydrogen sulfide gas? @gretchengehrke almost 2 years ago
What type of health issues are associated with inhalation of ultrafine particles? @liz almost 2 years ago
What do the terms attainment and nonattainment mean? @liz almost 2 years ago
How do you account for signal drift with sensors in the field? @gretchengehrke almost 2 years ago
Do you have resources on odor logs and odor reporting platforms? @gretchengehrke almost 2 years ago
What are the health effects related to fine particles of calcium carbonate? @stevie about 2 years ago
AERMOD: Is it a good model? How has it been tested and verified? @marlokeno over 2 years ago
lightweight air quality sensors for a weather balloon @glenc over 2 years ago
What kind/size of microdust does activated carbon give off & how much of a concern is it? @jfrankamp over 2 years ago
In the plant based air purifier, could airflow go the other way, using an unmodified pump? @warren over 2 years ago
How can i know if my plant-based air filter is working? @liz over 2 years ago
Is CALPUFF a good air quality modeling tool @marlokeno over 2 years ago
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