-
Federal
Results of Section 4 Chemical Testing
U.S. Environmental Protection Agency —
The Toxic Substances Control Act (TSCA) requires that data be developed on the effect of chemical substances and mixtures on health and the environment. This data... -
Federal
NOAA Earth System Research Laboratory Surface Ozone Data, Version 1
National Oceanic and Atmospheric Administration, Department of Commerce —
This data set contains continuous UV photometric data of surface level ozone collected at 6m above ground level. Data records consist of UTC time, date, and processed... -
Federal
Rapid Refresh (RAP) [13 km]
National Oceanic and Atmospheric Administration, Department of Commerce —
The Rapid Refresh (RAP) numerical weather model took the place of the Rapid Update Cycle (RUC) on May 1, 2012. Run by the National Centers for Environmental... -
Federal
Rapid Update Cycle (RUC) [20 km]
National Oceanic and Atmospheric Administration, Department of Commerce —
The Rapid Update Cycle (RUC) weather forecast model was developed by the National Centers for Environmental Prediction (NCEP). On May 1, 2012, the RUC was replaced by... -
Federal
NCEP North American Regional Reanalysis (NARR), for 1979 to Present
National Oceanic and Atmospheric Administration, Department of Commerce —
The North America Regional Reanalysis (NARR) Project is a reanalysis of historical observations using a 32-km version of the National Centers for Environmental... -
Federal
NCEP-GTS Marine Observations in IMMA format
National Oceanic and Atmospheric Administration, Department of Commerce —
The Global Telecommunications System (GTS) is a major component of transmitting global meteorological data, consisting of both in situ and satellite observations.... -
Federal
Cape Kennedy Thunderstorms Data
National Oceanic and Atmospheric Administration, Department of Commerce —
Cape Kennedy Thunderstorms Data contains an account of all thunderstorms reported in weather observations taken at Cape Kennedy Air Force Station, Florida between... -
Federal
Rapid Update Cycle (RUC) [13 km]
National Oceanic and Atmospheric Administration, Department of Commerce —
The Rapid Update Cycle (RUC) weather forecast model was developed by the National Centers for Environmental Prediction (NCEP). On May 1, 2012, the RUC was replaced by... -
Federal
A01 Met - Meteorology
National Oceanic and Atmospheric Administration, Department of Commerce —
Ocean observation data from the Northeastern Regional Association of Coastal & Ocean Observing Systems (NERACOOS). The NERACOOS region includes the northeast... -
Federal
Nonattainment Area - Particulate Matter - 2.5 24 hr (2006 Standard)
Department of Transportation —
The Nonattainment Area - Particulate Matter-2.5 24 hr (2006) dataset was updated on January 31, 2026 by the Environmental Protection Agency (EPA) and is part of the... -
Federal
Global Marine Surface Observations from Ocean Surface Vessels
National Oceanic and Atmospheric Administration, Department of Commerce —
The Primary source of data used to produce these files were from vessels of the following cooperatives: Cuba, Denmark, Finland, France, Germany (Federal Republic of... -
Federal
NCEP-GTS Marine Observations in BUFR format
National Oceanic and Atmospheric Administration, Department of Commerce —
The Global Telecommunications System (GTS) is a major component of transmitting global meteorological data, consisting of both in situ and satellite observations.... -
Federal
Buoy Data, Northeastern Regional Association of Coastal Ocean Observing Systems (NERACOOS)
National Oceanic and Atmospheric Administration, Department of Commerce —
University of Maine real-time buoy observations in the Gulf of Maine/Massachusetts Bay at Northeastern Regional Association Ocean Observing Systems (NERACOOS) site... -
Federal
Katrina Air Quality System (AQS)
U.S. Environmental Protection Agency —
The Katrina Air Quality System (AQS) contains records specific to the Katrina/Rita Emergency Response and provides this data to the Environmapper application. -
Federal
1-Minute Page 2 Surface Weather Observations from the Automated Surface Observing Systems (ASOS) Network
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset includes one-minute observations for precipitation type and amount, station pressure, temperature, dew point temperature, lightning detection elements,... -
Federal
Nonattainment Area - 1 hr Ozone (1979 Standard-Revoked)
Department of Transportation —
The Nonattainment Area - 1 hr Ozone (1979) dataset was updated on January 31, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of... -
Federal
Surface Airways Observations (SAO) Hourly Data 1928-1948 (CDMP)
National Oceanic and Atmospheric Administration, Department of Commerce —
The dataset consists of hourly U.S. surface airways observations (SAO). These observations extend as far back as 1928, from the time when commercial aviation began in... -
Federal
Nonattainment Area - 8 hr Ozone (1997 Standard)
Department of Transportation —
The Nonattainment Area - 8 hr Ozone (1997) dataset was updated on January 31, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of... -
Federal
Summary of the Day (CDMP)
National Oceanic and Atmospheric Administration, Department of Commerce —
This Summary of the Day data file contains daily selected elements of observations recorded by certified observers. The stations were located in the U.S. and were... -
Federal
National Solar Radiation Database (NSRDB) SolarAnywhere 10 km Model Output for 1989 to 2009
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Solar Radiation Database (NSRDB) was produced by the National Renewable Energy Laboratory under the U.S. Department of Energy's Office of Energy...
Official websites use .gov
A
.gov website belongs to an official government
organization in the United States.
Secure .gov websites use HTTPS
A
lock (
) or https:// means you’ve safely connected to
the .gov website. Share sensitive information only on official,
secure websites.