U.S. Environmental Protection Agency (EPA)

AirMapper: DIY Air Quality Monitoring

Monitor and understand local air quality

Anywhere

Ongoing

Citizen ScienceClimate & WeatherEcology & EnvironmentHealth & Medicinemappingdiyenvironmental monitoringsensorsdata collectionparticulate matterair qualitycarbon dioxideair sensorsair pollutionenvironmental sciencestem educationcommunity scienceatmospheric science

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 MarineBiologyarmikick samplingmacroinvertebrtesanglers riverfly monitoring initiativeriverfly monitoringriverfliesriverfly partnership

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 monitoringsummerappweather datascienceair pollutionusaenvironmenthikingstemair quality indexparticulate mattermobile applicationspringweathercitizen scienceexperimentdatabaseec2020dataclimate changenaturesmartphone applicationiphoneenvironmental justiceair qualityclimate monitoringautumnoutdoorscarbon dioxideclimatecarbon monoxidewinterbicyclingglobal warmingandroidcommunity-based monitoringairinvestigationgirl scoutsequity

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 & Outdoorschicagoebirdillinois

British Trust for Ornithology

BirdTrack

Help researchers investigate migration of birds.

Anywhere

Ongoing

Citizen ScienceBiologyEcology & EnvironmentBirdsAnimalsNature & Outdoorsbird recordingbirdingbirdwatchingmigrant birdsiphonemammalsbird migrationappbird watchingdragonfliesmigration phenologycitizen scienceirelandunited kingdombirdipadbirds of conservation concernandroid

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 & Spaceimagingblackholesuniverse

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 & Pollinatorsclimate changewildlife monitoringumnwater qualityfield workaquatic invertebratesinsectsdisneystreamscitizen sciencechironomidaemacroinvertebratesbugs

Filters

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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