Introduction to Particulate Matter

Particulate Matter (PM) is airborne dust and particle pollution that settles onto surfaces and into lungs. As a regulated pollutant PM is shorthand for inhalable and respirable particulate matter, or particulate matter that can stick in the lungs.

Read more

Notes tagged with pm

Ask a question about pm or Subscribe to answer questions on this topic


MiniVol pre-deployment preparation, Updated

by mathew 22 days ago | 0 | 140 | 1

This activity is a replication of [this note](/notes/mathew/02-09-201...

Read more


UWEC air quality monitoring

by bkleist 22 days ago | 2 | 117 | 1

![image description](https://publiclab.org/system/images/photos/000/020/079/large/20170327_132002...

Read more


Site Survey for a Minivol

by mathew 23 days ago | 0 | 338 | 1

Heather and Bruce Andersen live in Bloomer, Wisconsin, and want to setup a [MiniVol to identify d...

Read more


Troubleshooting leaks on the MiniVol

by mathew about 1 month ago | 0 | 87 | 0

This activity is to troubleshoot leaks on the Minivol PM monitor. If you have ...

Read more



Frac sand hotspot testing and site survey

by stevie about 1 month ago | 0 | 209 | 1

Public Lab will be hosting a get together for anyone interested in practicing a site survey and h...

Read more


EPA Method 22: Visual Determination of Fugitive Emissions

by gretchengehrke 2 months ago | 0 | 26 | 2

**EPA Method 22: Visual Determination of Fugitive Emissions from Material Sources and Smoke Emiss...

Read more


EPA Method 9: Visual Determination of the Opacity of Emissions from Stationary Sources

by gretchengehrke 2 months ago | 2 | 82 | 5

This is a step by step guide to to assess the opacity of emissions, using EPA’s Method 9 “Visual...

Read more


Air Quality Monitoring at UWEC

by bkleist 3 months ago | 9 | 27 | 3

Air quality research is beginning again once again in Eau Claire, this time a bit closer to home....

Read more



MiniVol pre-deployment preparation, with images

by mathew 3 months ago | 0 | 26 | 1

_This activity is a replication of [this note](/notes/mathew/02-02-2017/minivol-pre-deployment-pr...

Read more


Routine maintenance and calibration of the MiniVol, with images

by mathew 3 months ago | 0 | 19 | 1

This activity is a replication of [This note][1]. Every five sample periods the [MiniVol][2] m...

Read more


Routine maintenance and calibration of the MiniVol

by mathew 3 months ago | 0 | 12 | 0

_This activity would benefit from images. I have not performed the activity yet and have only com...

Read more


Minivol PM monitoring deployment

by mathew 3 months ago | 0 | 20 | 0

MiniVol PM sampling deployment procedure _This procedure follows the steps in the MiniVol TAS...

Read more



MiniVol pre-deployment preparation

by mathew 3 months ago | 0 | 17 | 0

_This activity would benefit from images. I have not performed the activity yet and have only com...

Read more


Identifying a PM monitoring site for deploying a MiniVol

by mathew 3 months ago | 0 | 19 | 1

_This activity is for identifying an appropriate site for deploying a [MiniVol][1] sampler for [P...

Read more


ShenangoChannel.org - a dashboard for monitoring and sharing

by liz 4 months ago | 5 | 10 | 3

Just saw a great presentation yesterday at EPA's Region 2 Citizen Science Forum by Amy Gottsegen ...

Read more


Overview: MiniVol PM monitor

by mathew 4 months ago | 0 | 12 | 2

We recently received two used [Airmetrics MiniVol PM][1] samplers from [Global Community Monitor]...

Read more



Measuring Air Quality (PM) @ new years eve during fireworks

by GreenFrogg 4 months ago | 12 | 246 | 5

Measuring PM particles before, on and after new years eve 2016/2017 is the goal of the Dutch proj...

Read more


Dustduino potentiometer testing

by imvec 5 months ago | 8 | 410 | 6

We want to verify what resistance value (position of the potentiometers) is needed to measure PM...

Read more


What fuels a movement?

by stevie 5 months ago | 0 | 363 | 5

_Lead image of protesters protesting the Pet Coke Piles on southeast side of Chicago. Image found...

Read more


Thoughts on Method 9 and its utility

by gretchengehrke 6 months ago | 3 | 409 | 4

Several people in our Public Lab community are concerned about various kinds of airborne emission...

Read more



Sizing particles in microscope images at Portland Science Hackday

by mathew 7 months ago | 4 | 338 | 2

_[Image](https://publiclab.org/notes/SimonPyle/05-13-2016/automating-imagej-for-particle-image-an...

Read more


Calibrating a Microscope

by mathew 8 months ago | 1 | 328 | 1

[image credit wikimedia](https://commons.wikimedia.org/wiki/File:Asakura-Oosawa_Model,_Two_Plates...

Read more


OpenFlexure Microscope: high-resolution assembly

by mathew 9 months ago | 7 | 585 | 1

previously I assembled an [OpenFlexu...

Read more


Automating ImageJ for particle image analysis

by SimonPyle 12 months ago | 7 | 1,108 | 3

Measuring air quality with passive particle collectors requires an accurate count of the size an...

Read more



Mapping dust hotspots with low-cost monitors

by mathew about 1 year ago | 0 | 940 | 2

Discuss a method for mapping the variability of airborne dust across the landscape. I'm going t...

Read more


Automating Passive Particle Monitor Analysis

by mathew about 1 year ago | 3 | 1,291 | 1

Along with @AmberWise, @Damarquis, @Pagyebo, I've been working to make and document a method of a...

Read more


Pm 2.5 network in Taiwan

by liz about 1 year ago | 0 | 1,140 | 2

Our taiwanese friends g0v.tw wanted to share a new project they are working on -- 300 air quality...

Read more


DIY: Wi-Fi Streaming Weatherproof PM2.5 Monitor (Dylos-based)

by kevinvivergy over 1 year ago | 18 | 2,988 | 7

Air pollution, specifically particulate matter 2.5, can vary significantly over space and time. A...

Read more



Aquarium Pump modifications for Durability & Flexibility

by mathew over 1 year ago | 0 | 2,489 | 3

Create a version of the modified aquarium pump in the [formaldehyde test kit](/wiki/formaldehyde...

Read more


Deploying UNC passive sampler on South Side of Chicago

by AmberWise over 1 year ago | 4 | 2,407 | 3

We're a group of 3 undergraduate students and 2 faculty at Chicago State University working with...

Read more