crowd mapping

within 25 miles

May 2, 2026

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15 opportunities found! use fewer search filter criteria to find more opportunities

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Kids Friendly Only

21+ Only

Participant Age Range Minimum

100

Participant Age Range Maximum

100

Cost

Any Cost Free Only

Topic

Venue Type

Host Organization

Partner Organization

2B Technologies, Inc.

AQTreks (AirQualityTreks)

Monitor air pollution levels and map air pollution around the US

Multiple locations, including yours!

Ongoing

Citizen ScienceNature & OutdoorsGeographyEducationCrowd FundingTransportationEcology & EnvironmentComputers & TechnologyClimate & WeatherChemistryOcean Water Marineair pollution monitoringec2020mobile applicationautumnparticulate matterbicyclingstemclimateenvironmental justiceair pollutionweathersummerwinterexperimentclimate monitoringairair qualityhikingcommunity-based monitoringusacarbon monoxideair quality indexequitydatanatureenvironmentcitizen scienceappgirl scoutsiphoneoutdoorsclimate changeinvestigationspringcarbon dioxideglobal warmingweather datadatabasesciencesmartphone applicationandroid

Mapping for Change

Community air quality monitoring

Supporting communities in doing their own air quality monitoring

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentSocial ScienceCrowd FundingGeographyair qualitycommunity monitoring

FieldScope

Work together to share, analyze, and interpret data

Multiple locations, including yours!

Ongoing

Citizen ScienceEducationNature & Outdoorsnational geographicdata visualizationmapping

Louisana Bucket Brigade

iWitness Pollution Map

Gather a repository of eyewitness reports and photos of pollutio

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineGeology & Earth ScienceChemistryNature & OutdoorsBirdsEcology & EnvironmentBiologybucket brigadeoillouisianapollutionthe crowd and the cloudclimate changethe bucket brigadeoil spills

University of Luxembourg

Lingscape – Linguistic Landscaping

Document and analyze cultural diversity in public signage

Anywhere

Ongoing

Citizen ScienceSocial ScienceEducationlanguage policydigital humanitiesdialectslinguisticslinguistic landscapeslanguageminority languagesinscriptionspublic spacesignagesignsteaching toolslettering

MicroBlitz (Western Australia)

With MicroBlitz, everyone with an interest in Western Australia’s (WA) biodiverse ecology and the environment can contribute to research that will help tackle the big environmental issues of our time – challenges like climate change, food security and safeguarding the quality of our water.

Multiple locations, including yours!

Ongoing

Citizen Sciencesoilecologymicromicrobes

AWS

OpenLitterMap.com

We are turning cleaning the planet into a game

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentComputers & TechnologyEducationCrowd FundingNature & OutdoorsAnimalsGeographyOcean Water Marineplastic pollutionlittermarine litterethereumblockchainplasticopenlittermaplittercoin

The OpenStreetMap Foundation

OpenStreetMap

A free and open map of the world

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsGeographyComputers & Technologymapsthe crowd and the cloudopen datageo

Pericopsis

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsBiologytreescrowd mappingtree

IQAir AirVisual

PM2.5 air pollution monitoring

Better understand air pollution and its sources, indoors and out

Anywhere

Ongoing

Citizen ScienceHealth & MedicinePolicyClimate & WeatherNature & OutdoorsCrowd FundingTransportationEducationco2monitoringcarbondataenvironmentsmogairoutdoorburn banair pollutantsasthmadustair pollutionair qualityemissionshealthindoorwood burningpm2.5trafficventilationhighwayscars

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