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


Re-posting 2016 Dustduino report

by liz 4 months ago | 0 | 92 | 1

Re-posting from the sensor journalism list: excerpt of @Willie Shubert's message from March 24, 2...

Read more


Issue briefing: ultrafine particle pollution from dehydrated biosolids

by liz 4 months ago | 1 | 116 | 0

lead image: co-product being dumped onto agricultural fields Slaughterhouses, human waste t...

Read more


Changing filters on the pDR-1500

by mathew 6 months ago | 0 | 175 | 2

The pDR-1500 needs its filter changed very 24 hours of runtime. Filters may also be used for [gra...

Read more


Practicing a PM hotspot survey in New Auburn, WI

by mathew 6 months ago | 5 | 279 | 2

Attempting a Hotspot survey in New Auburn, WI with: @Stevie, @Gretchen, @Warren, @marlokeno, Jonn...

Read more



MACA - Open Air Quality Monitor project in Latin America

by nanocastro 6 months ago | 6 | 395 | 8

The MACA Open Air Quality Monitor project (Monitor Abierto de Calidad del Aire in spanish) star...

Read more


MiniVol pre-deployment preparation, Updated

by mathew 7 months ago | 0 | 193 | 1

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

Read more


UWEC air quality monitoring

by bkleist 7 months ago | 3 | 190 | 1

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

Read more


Site Survey for a Minivol

by mathew 7 months ago | 0 | 391 | 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 7 months ago | 0 | 111 | 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 7 months ago | 0 | 270 | 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 8 months ago | 0 | 122 | 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 8 months ago | 2 | 191 | 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 8 months ago | 10 | 69 | 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 8 months ago | 0 | 62 | 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 9 months ago | 0 | 54 | 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 9 months ago | 0 | 47 | 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 9 months ago | 0 | 49 | 0

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

Read more


MiniVol pre-deployment preparation

by mathew 9 months ago | 0 | 45 | 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 9 months ago | 0 | 52 | 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 9 months ago | 5 | 56 | 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 9 months ago | 0 | 52 | 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 10 months ago | 12 | 274 | 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 10 months ago | 8 | 494 | 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 11 months ago | 0 | 419 | 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 12 months ago | 3 | 480 | 5

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 about 1 year ago | 4 | 400 | 2

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

Read more


Calibrating a Microscope

by mathew about 1 year ago | 1 | 378 | 1

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

Read more


OpenFlexure Microscope: high-resolution assembly

by mathew over 1 year ago | 7 | 689 | 1

previously I assembled an [OpenFlexu...

Read more



Automating ImageJ for particle image analysis

by SimonPyle over 1 year ago | 7 | 1,238 | 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 over 1 year ago | 0 | 1,006 | 2

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

Read more