Found 230 datasets matching filters.
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This dataset contains quality assured and DOEE-certified air quality data collected from the District’s five air monitoring network sites. The dataset covers a three-year period and includes...
Search relevance: 1.00 | Views last month: 67 | Catalog Last Checked: May 05, 2026 at 10:33 PM -
The CASTNET Download Data module allows users to select, view, and download CASTNET data (Raw, Aggregate, Modeled & Factual Data) based on user selections. CASTNET sites are located in or near...
Search relevance: 1.00 | Views last month: 61 | Catalog Last Checked: May 01, 2026 at 06:06 PM -
Citywide raster files of annual average predicted surface for nitrogen dioxide (NO2), fine particulate matter (PM2.5), black carbon (BC), and nitric oxide (NO); summer average for ozone (O3) and...
Search relevance: 1.00 | Views last month: 38 | Catalog Last Checked: May 05, 2026 at 10:29 PM -
This asset provides data on regional air quality, including trace level SO2, nitric acid, ozone, carbon monoxide, and NOy; and particulate sulfate, nitrate, and ammonium from 1989 to present....
Search relevance: 1.00 | Views last month: 30 | Catalog Last Checked: May 01, 2026 at 06:06 PM -
8-hour daily maximum ozone concentrations as measured by the Clean Air Status and Trends Network (CASTNET)
Search relevance: 1.00 | Views last month: 24 | Catalog Last Checked: May 01, 2026 at 06:06 PM -
This dataset contains the basic analytical outputs used to generate figures for the paper and used as the basis for modeling inputs. It also contains a workup of the SVOC data from the integrated...
Search relevance: 1.00 | Views last month: 22 | Catalog Last Checked: April 21, 2026 at 08:07 PM -
This polygon layer contains a spatial representation of geographic areas that are designated as Air Quality Maintenance Areas and Nonattainment Areas for the criteria pollutant OZONE. A criteria...
Search relevance: 1.00 | Views last month: 20 | Catalog Last Checked: May 05, 2026 at 07:55 PM -
This dataset contains physical, optical, and chemical properties of atmospheric marine aerosols aboard NOAA R/V Ronald H. Brown, collected 14 January to 31 March 1999 as part of the INDOEX field...
Search relevance: 1.00 | Views last month: 16 | Catalog Last Checked: May 06, 2026 at 03:45 AM -
This dataset is made up of hourly measurements of PM2.5 and PM10, and meteorological measurements, collected through DOEE’s Clarity Node network in the District of Columbia. The meteorological...
Search relevance: 1.00 | Views last month: 15 | Catalog Last Checked: May 07, 2026 at 06:39 AM -
This dataset is made up of hourly measurements of PM2.5 and PM10, and meteorological measurements, collected through DOEE’s Purple Air network in the District of Columbia. The meteorological data...
Search relevance: 1.00 | Views last month: 15 | Catalog Last Checked: May 07, 2026 at 06:39 AM -
This dataset contains physical, optical, and chemical properties of atmospheric marine aerosols from two different cruises aboard NOAA R/V Surveyor as part of the RITS project. The first cruise...
Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: May 06, 2026 at 03:43 AM -
This dataset contains physical, optical, and chemical properties of atmospheric marine aerosols from aboard WHOI R/V Knorr, collected 19 March to 24 April 2008 during the ICEALOT field...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 06, 2026 at 03:43 AM -
This dataset contains a link to the public EPA CRACMM github repository and an update (zip file) that will be put into the repo.
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: April 21, 2026 at 08:08 PM -
This dataset contains physical, optical, and chemical properties of atmospheric marine aerosols from aboard NOAA R/V Discoverer, collected 15 March to 12 April 1996 during the CSP field...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: May 06, 2026 at 03:44 AM -
This dataset contains physical, optical, and chemical properties of atmospheric marine aerosols from aboard NOAA R/V Ronald H. Brown, collected 15 March to 20 April 2001 during the ACE-Asia field...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: May 06, 2026 at 03:44 AM -
The Nonattainment Area - 8 hr ozone (2008) dataset was updated on March 31, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of Transportation (USDOT)/Bureau of...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: May 13, 2026 at 09:37 PM -
This dataset contains physical, optical, and chemical properties of atmospheric marine aerosols from four different cruises aboard WHO R/V Atlantis as part of the NAAMES project. The dates of the...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: May 06, 2026 at 03:43 AM -
This dataset contains physical, optical, and chemical properties of atmospheric marine aerosols from two different cruises aboard NOAA R/V Ronald H. Brown as part of the NEAQS project. The first...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: May 06, 2026 at 03:44 AM -
This dataset contains physical, optical, and chemical properties of atmospheric marine aerosols from aboard NOAA R/V Ronald H. Brown, collected 07 January to 11 February 2020 during the ATOMIC...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: May 06, 2026 at 03:44 AM -
The Nonattainment Area - 8 hr ozone (2015) dataset was updated on March 31, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of Transportation (USDOT)/Bureau of...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: May 13, 2026 at 09:37 PM
