Search datasets
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contains hourly ozone and meteorological data. This dataset is associated with the following publication: Schliep, E., A. Gelfand, and D. Holland. Alternating Gaussian process modulated renewal...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: September 10, 2026 at 06:54 PM -
To better understand the current air quality status in the District, the following summary highlights key pollutants and their compliance with the National Ambient Air Quality Standards (NAAQS)....
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The Nonattainment Area - Sulfur Dioxide (SO2-2010) dataset was updated on September 30, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of Transportation...
Search relevance: 1.00 | Views last month: 7 | Catalog Last Checked: October 08, 2026 at 08:47 PM -
The Nonattainment Area - 8 hr Ozone (2015) dataset was updated on September 30, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of Transportation...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: October 08, 2026 at 08:47 PM -
The Nonattainment Area - 8 hr Ozone (1997) dataset was updated on September 30, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of Transportation...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: October 08, 2026 at 08:47 PM -
The Nonattainment Area - Particulate Matter -2.5 (2012) dataset was updated on September 30, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of Transportation...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: October 08, 2026 at 08:47 PM -
The Nonattainment Area - 8 hr Ozone (2008) dataset was updated on September 30, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of Transportation...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: October 08, 2026 at 08:47 PM -
This is the dataset used in Chuman et al., which is an assessment of the effect of nitrogen deposition on plant communities in the U.S. and Czech Republic, and how bedrock modifies that response....
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 07:02 PM -
We conducted an unmatched case-control study of 5,992 infant mortality cases and 60,000 randomly selected controls from a North Carolina Birth Cohort (2003-2015). PM2.5 during critical exposure...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 07:01 PM -
The Nonattainment Area - Particulate Matter -2.5 Annual (1997) dataset was updated on September 30, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: October 08, 2026 at 08:47 PM -
This data includes gridded estimates of: (1) decadally averaged total N and S deposition for the conterminous US from 1800-2025, (2) critical loads from the National Critical Loads Database, and...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 06:54 PM -
A list by county of the current attainment status of the National Ambient Air Quality Standards (NAAQS).
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 05:58 PM -
Maryland State Implementation Plans
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 06:51 PM -
The Nonattainment Area - Particulate Matter -2.5 24 hr (2006) dataset was updated on September 30, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: October 08, 2026 at 08:47 PM -
This is the metadata for Coughlin et al. (2023) which estimates effects from atmospheric deposition of nitrogen (N) and sulfur (S) on tree species across the CONUS. The dataset is too large for...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 06:59 PM -
The Nonattainment Area - Particulate Matter - 10 (1987) dataset was updated on September 30, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of Transportation...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: October 08, 2026 at 08:47 PM -
This is a dataset of the abundance of herbaceous species across ~15,000 plots across the US, along with related site date (e.g. climate, soil pH, etc.). This dataset is associated with the...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 06:55 PM -
This dataset includes CMAQ model output, compiled publicly available observations, and model source code used in "Predicted impacts of heterogeneous chemical pathways on particulate sulfur over...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 07:01 PM -
The Nonattainment Area - Nitrogen Dioxide (NO2-1971) dataset was updated on September 30, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of Transportation...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: October 08, 2026 at 08:47 PM -
There are two datasets. First, a dataset for the PROPS models (i.e. “US-PROPS_v2_models_May30_2019.xlsx,” which describe the parameters for the PROPS models for the 1503 species that were included...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 06:55 PM
