crowd mapping

within 25 miles

Nov 27, 2025

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

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21+ Only

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100

Participant Age Range Maximum

100

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Any Cost Free Only

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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 Marineglobal warmingair quality indexdatacommunity-based monitoringenvironmentair qualitystemclimateequityoutdoorsair pollutionclimate monitoringenvironmental justicehikingcitizen scienceweather datadatabaseexperimentparticulate mattercarbon dioxideairsmartphone applicationspringclimate changescienceweatherbicyclinginvestigationcarbon monoxidewinterec2020autumnandroidgirl scoutsiphoneair pollution monitoringsummerappnatureusamobile application

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 & Outdoorsdata visualizationnational geographicmapping

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 & EnvironmentBiologyoil spillsoilthe crowd and the cloudlouisianapollutionbucket brigadethe bucket brigadeclimate change

University of Luxembourg

Lingscape – Linguistic Landscaping

Document and analyze cultural diversity in public signage

Anywhere

Ongoing

Citizen ScienceSocial ScienceEducationteaching toolslinguisticsdialectspublic spacesignagelanguagelinguistic landscapessignsinscriptionsletteringminority languageslanguage policydigital humanities

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 Scienceecologysoilmicromicrobes

AWS

OpenLitterMap.com

We are turning cleaning the planet into a game

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentComputers & TechnologyEducationCrowd FundingNature & OutdoorsAnimalsGeographyOcean Water Marineplasticplastic pollutionmarine litterblockchainlittercoinopenlittermaplitterethereum

The OpenStreetMap Foundation

OpenStreetMap

A free and open map of the world

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsGeographyComputers & Technologythe crowd and the cloudopen datamapsgeo

Pericopsis

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsBiologycrowd mappingtreestree

IQAir AirVisual

PM2.5 air pollution monitoring

Better understand air pollution and its sources, indoors and out

Anywhere

Ongoing

Citizen ScienceHealth & MedicinePolicyClimate & WeatherNature & OutdoorsCrowd FundingTransportationEducationindoortrafficwood burningair qualityemissionsburn banasthmaoutdoordatasmogair pollutantsair pollutionhealthpm2.5co2dustcarbonairenvironmentmonitoringhighwaysventilationcars

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