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on a hike
within 25 miles
Dec 26, 2025
59 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 Marinecarbon monoxideusaandroidexperimentweather databicyclingclimate monitoringoutdoorscarbon dioxideair pollutionenvironmentappglobal warmingclimate changeec2020stemwinterspringparticulate matterhikinggirl scoutsinvestigationair quality indexdatabaseequitysciencecitizen scienceenvironmental justiceweatherairautumniphonemobile applicationsummerdatanatureair qualitycommunity-based monitoringair pollution monitoringsmartphone applicationclimate
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