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Federal
Air Quality Measures on the National Environmental Health Tracking Network
U.S. Department of Health & Human Services —
The Environmental Protection Agency (EPA) provides air pollution data about ozone and particulate matter (PM2.5) to CDC for the Tracking Network. The EPA maintains a... -
Federal
Global Historical Climatology Network - Daily (GHCN-Daily), Version 3
National Oceanic and Atmospheric Administration, Department of Commerce —
The Global Historical Climatology Network - Daily (GHCN-Daily/GHCNd) dataset integrates daily climate observations from approximately 30 different data sources.... -
Federal
Integrated Surface Dataset (Global) (Version Superseded)
National Oceanic and Atmospheric Administration, Department of Commerce —
This version has been superseded by a newer version. It is highly recommended for users to access the current version. Users should only access this superseded... -
Federal
Heartland Network 2005-2025 Water Quality Data from the HTLN_WQ Project as of 2026-01-16
Department of the Interior —
This data package was created 2026-01-16 10:55:31 by NPSTORET and includes selected project, location, and result data. Data contained in the Heartland Network... -
State
MTA Service Alerts: Beginning April 2020
State of New York —
Service alerts in the MTA system are generated to inform passengers of both scheduled and unscheduled events that affect the transit network. These events can range... -
Federal
RadNet Map Interface for Near-Real-Time Radiation Monitoring Data
U.S. Environmental Protection Agency —
RadNet is a national network of monitoring stations that regularly collect air, precipitation, drinking water, and milk samples for analysis of radioactivity. The... -
State
2019 California Water Quality Status Report
State of California —
The California Water Quality Status Report is an annual data-driven snapshot of the Water Board’s water quality and ecosystem data. This third edition of the report... -
County
Allegheny County Air Quality
Allegheny County / City of Pittsburgh / Western PA Regional Data Center —
Air quality data is collected from the Allegheny County Health Department monitors throughout the county. This data must be verified by qualified individuals before... -
State
Beach Advisories (Postings and Closures) and Beach Water Quality Monitoring
State of California —
One of California's biggest industries is tourism, and beaches are a significant tourist attraction as well as being an integral part of California’s culture and... -
Federal
USDA-ARS Colorado Maize Water Productivity Dataset 2012-2013
Department of Agriculture —
The USDA-Agricultural Research Service carried out an experiment on water productivity in response to seasonal timing of irrigation of maize (Zea mays L.) at the... -
Federal
Streamside Bird Monitoring Data in Eastern Rivers and Mountains Network Parks (2011-2025) Data Package
Department of the Interior —
This data package contains records and metadata of avian point count data that were collected in six National Park Service units as part of the Eastern Rivers and... -
Roadway Weather Information Systems Sensors
District of Columbia —
This dataset shows weather data from DDOT Roadway Weather Information Systems (RWIS) road sensors within the district. RWIS are technology tolls that monitor weather... -
Federal
Newberry EGS Demonstration: Well 55-29 Stimulation Data
Department of Energy —
The Newberry Volcano EGS Demonstration in central Oregon, a 3 year project started in 2010, tests recent technological advances designed to reduce the cost of power... -
State
Chronic Wasting Disease Positive Detections - 2024-2025 - CDFW [ds3183]
State of California —
The California Department of Fish and Wildlife (CDFW) has detected Chronic Wasting Disease (CWD) within the state and is working diligently to monitor and manage the... -
Federal
Collocated PurpleAir Sensors and T640 Reference Data located at Durango Complex in Phoenix, AZ May 2019: Case Study Demonstrating EPA's Performance Targets and sensorstoolkit Python Code Library
U.S. Environmental Protection Agency —
Three PurpleAir sensors were collocated with a T640x reference monitor at the Durango Complex Air Quality Monitoring Station in Phoenix, Arizona in May 2019. Both... -
Federal
RadNet (Environmental Radiation Ambient Monitoring System)
U.S. Environmental Protection Agency —
RadNet, formerly Environmental Radiation Ambient Monitoring System (ERAMS), is a national network of monitoring stations that regularly collect air, precipitation,... -
Federal
RadNet Air Quality (Deployable) Data
U.S. Environmental Protection Agency —
RadNet Deployable Monitoring is designed to collect radiological and meteorological information and data asset needed to establish the impact of radiation levels on... -
State
i08 Stations Discrete Grab Water Quality
State of California —
This is a point feature class of environmental monitoring stations maintained in the California Department of Water Resources’ (hereafter the Department) Water Data... -
Federal
Wadeable Stream Habitat Assessments in the Southeastern United States, 2017-2024 Cumulative Data Package
Department of the Interior —
This package contains data collected by the Southeast Coast Network (SECN), a part of the Inventory and Monitoring Division (IMD) of the National Park Service (NPS)....