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hiking
within 25 miles
May 13, 2026
49 opportunities found! use fewer search filter criteria to find more opportunities

2B Technologies, Inc.

AQTreks (AirQualityTreks)

Monitor air pollution levels and map air pollution around the US

Multiple locations, including yours!

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Citizen ScienceNature & OutdoorsGeographyEducationCrowd FundingTransportationEcology & EnvironmentComputers & TechnologyClimate & WeatherChemistryOcean Water Marineenvironmentweatherwintercarbon dioxidegirl scoutsandroidspringinvestigationair quality indexequitydataair pollutionec2020mobile applicationiphonecommunity-based monitoringclimate changeexperimentenvironmental justiceclimate monitoringsmartphone applicationsummerhikingoutdoorsscienceair qualityweather dataparticulate matterusanatureappcarbon monoxidestemglobal warmingautumndatabaseclimatebicyclingcitizen scienceairair pollution monitoring
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