U.S. Environmental Protection Agency (EPA)

AirMapper: DIY Air Quality Monitoring

Monitor and understand local air quality

Anywhere

Ongoing

Citizen ScienceClimate & WeatherEcology & EnvironmentHealth & Medicinecommunity sciencesensorsair qualityenvironmental sciencecarbon dioxideair pollutionenvironmental monitoringmappingparticulate matterstem educationdiyatmospheric scienceair sensorsdata 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 MarineBiologyriverfly monitoringriverfliesanglers riverfly monitoring initiativearmikick samplingmacroinvertebrtesriverfly 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 Marineiphonebicyclingenvironmental justiceenvironmentusagirl scoutsclimate monitoringcarbon dioxidesteminvestigationequitysmartphone applicationexperimentparticulate matterweatherair qualityautumnweather datamobile applicationdatasummercitizen sciencespringair quality indexglobal warmingair pollution monitoringec2020hikingcommunity-based monitoringclimateoutdoorsandroidnaturecarbon monoxidewinterair pollutionairappscienceclimate changedatabase

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

Astronomy on Tap Rocket City – Cosmic Ghost Hunters

Innerspace Brewing Company AL

October 20, 2026 at 10:00 PM through 11:00 PM

Community

Bird Conservation Network

Bird Conservation Network Survey

Help map bird distribution in the Greater Chicago region.

Illinois

Ongoing

Citizen ScienceEcology & EnvironmentBirdsAnimalsNature & Outdoorsillinoischicagoebird

British Trust for Ornithology

BirdTrack

Help researchers investigate migration of birds.

Anywhere

Ongoing

Citizen ScienceBiologyEcology & EnvironmentBirdsAnimalsNature & Outdoorsandroidunited kingdomdragonfliesbird recordingbirds of conservation concernbirdirelandmammalsipadmigration phenologybird watchingcitizen sciencebird migrationiphonebirdwatchingappmigrant birdsbirding

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

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsInsects & Pollinatorsaquatic invertebratesinsectsstreamsfield workcitizen scienceclimate changewildlife monitoringwater qualitychironomidaedisneymacroinvertebratesumnbugs

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

Astronomy on Tap Rocket City – Cosmic Ghost Hunters

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

Share Your Results