U.S. Environmental Protection Agency (EPA)

AirMapper: DIY Air Quality Monitoring

Monitor and understand local air quality

Anywhere

Ongoing

Citizen ScienceClimate & WeatherEcology & EnvironmentHealth & Medicinecommunity scienceair sensorsair pollutionair qualitymappingatmospheric scienceenvironmental monitoringsensorsparticulate matterstem educationdiyenvironmental sciencecarbon dioxidedata collection

The Riverfly Partnership

Anglers Riverfly Monitoring Initiative (ARMI)

early warning system for acute river pollution incidents

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentEducationAnimalsInsects & PollinatorsNature & OutdoorsClimate & WeatherOcean Water MarineBiologyanglers riverfly monitoring initiativekick samplingarmiriverfliesmacroinvertebrtesriverfly partnershipriverfly monitoring

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 Marinehikingcitizen scienceparticulate matterappautumnandroidbicyclingcarbon monoxideiphoneair quality indexairclimate monitoringinvestigationair pollution monitoringclimateusaair qualitycommunity-based monitoringsmartphone applicationenvironmentair pollutionnaturestemspringglobal warmingdataweather datagirl scoutsscienceclimate changeweathercarbon dioxidesummerexperimentdatabaseenvironmental justiceec2020equityoutdoorsmobile applicationwinter

The Music Lab at Yale University

Are You a Super-Listener?

Determine ability to differentiate harmonic categories by ear.

Anywhere

Ongoing

Citizen ScienceSoundPsychologyyale music lab

Astronomy On Tap

Astro on Tap Victoria: The Golden Age of Astronomy & How to Build a Planet

The Vicious Poodle BC

November 20, 2026 at 2:00 AM through 4:00 AM

Community

Bird Conservation Network

Bird Conservation Network Survey

Help map bird distribution in the Greater Chicago region.

Illinois

Ongoing

Citizen ScienceEcology & EnvironmentBirdsAnimalsNature & Outdoorsillinoisebirdchicago

British Trust for Ornithology

BirdTrack

Help researchers investigate migration of birds.

Anywhere

Ongoing

Citizen ScienceBiologyEcology & EnvironmentBirdsAnimalsNature & Outdoorsbirdirelandipaddragonfliesappbirdwatchingbird recordingmigration phenologyandroidunited kingdombirdingiphonemigrant birdsmammalsbird watchingbirds of conservation concernbird migrationcitizen science

Pocket Science Citizen Science Apps (DDQ B.V.)

Black Hole Finder

Help astronomers to find and measure newly formed black holes

Anywhere

Ongoing

Citizen ScienceAstronomy & Spaceuniverseimagingblackholes

University of Maine Cooperative Extension 4-H

Bryant Pond Summer Camp

Orono Maine

Ongoing

CampWorkshopBiologyGeneral ScienceSummer

University of Minnesota

Bugs Below Zero

Contribute data on winter stream conditions and insect activity

Unrecognized location type near

Ongoing

Citizen ScienceNature & OutdoorsInsects & Pollinatorsstreamsumninsectsdisneyfield workaquatic invertebratesbugsclimate changechironomidaewildlife monitoringmacroinvertebrateswater qualitycitizen science

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U.S. Environmental Protection Agency (EPA)

AirMapper: DIY Air Quality Monitoring

The Riverfly Partnership

Anglers Riverfly Monitoring Initiative (ARMI)

2B Technologies, Inc.

AQTreks (AirQualityTreks)

The Music Lab at Yale University

Are You a Super-Listener?

Astronomy On Tap

Astro on Tap Victoria: The Golden Age of Astronomy & How to Build a Planet

Bird Conservation Network

Bird Conservation Network Survey

British Trust for Ornithology

BirdTrack

Pocket Science Citizen Science Apps (DDQ B.V.)

Black Hole Finder

University of Maine Cooperative Extension 4-H

Bryant Pond Summer Camp

University of Minnesota

Bugs Below Zero

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