Found 23 datasets matching "clean air trends".
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8-hour daily maximum ozone concentrations as measured by the Clean Air Status and Trends Network (CASTNET)
Search relevance: 255.06 | Views last month: 46 -
Weekly average air concentrations from CASTNET filter pack data in standard Tuesday 9:00 AM - Tuesday 8:00 AM weeks. The data are collected using an open face, 3-stage filter pack. Data include...
Search relevance: 180.23 | Views last month: 0 -
Nephelometer data (conforms to IMPROVE network standards) from October 1993 to June 2002. This table is no longer updated.
Search relevance: 178.43 | Views last month: 2 -
Ground-level ozone is measured at CASTNET sites following the guidelines in 40 Code of Federal Regulations (CFR) Parts 50 and 58. Continuous measurements are averaged to hourly concentrations....
Search relevance: 178.31 | Views last month: 0 -
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: 172.76 | Views last month: 230 -
Hourly temperature data and other meteorological data (e.g., relative humidity, solar radiation, precipitation, wind direction) are provided at long-term rural air monitoring sites. There are more...
Search relevance: 161.26 | Views last month: 2 -
Deposition values for the continguous United States are developed from a measurement-model fusion approach that used data from the Community Multiscale Air Quality Model and the Clean Air Status...
Search relevance: 65.80 | Views last month: 0 -
Data presented in this manuscript are publicly available per the links provided. These include the US EPA National Emissions Inventory, US EPA Clean Air Status and Trends Network, National...
Search relevance: 61.78 | Views last month: 1 -
The National Emission Inventory contains measured, modeled, and estimated data for emissions of all known source categories in the US (stationary sources, fires, light duty vehicles and trucks,...
Search relevance: 61.68 | Views last month: 4 -
The data are grids of total atmospheric deposition created through a measurement-model fusion process that uses data from the Community Multiscale Air Quality (CMAQ) modeling system and monitoring...
Search relevance: 57.53 | Views last month: 4 -
The Environmental Protection Agency's Enforcement and Compliance History Online (ECHO) website provides customizable and downloadable information about environmental inspections, violations, and...
Search relevance: 55.78 | Views last month: 3 -
The Office of Air and Radiation's (OAR) Ambient Air Quality Data (Current) contains ambient air pollution data collected by EPA, other federal agencies, as well as state, local, and tribal air...
Search relevance: 53.66 | Views last month: 19 -
A web page that describes and links to EPA systems for accessing and downloading ambient (outdoor) air quality and emissions data
Search relevance: 49.48 | Views last month: 3 -
Data in Figure 1 are from publicly available databases including county-level ammonia (NH3) emissions from the US EPA National Emissions Inventory...
Search relevance: 48.94 | Views last month: 0 -
A REST web service API allowing the retrieval of historical air quality data from EPA.
Search relevance: 48.56 | Views last month: 42 -
Ambient concentrations of most requested pollutants from the national ambient air quality monitoring networks stored in the Air Quality System (AQS).
Search relevance: 48.02 | Views last month: 2 -
Ambient ozone concentrations for 2007 from the national ambient air quality monitoring networks stored in the Air Quality System (AQS).
Search relevance: 47.61 | Views last month: 0 -
A KMZ file with the location of all major facilities that emit pollutants into the atmopshere.
Search relevance: 47.28 | Views last month: 5 -
This Dataset includes 2002-2011 daily average air quality concentrations of multiple species (fine and coarse mode aerosol sulfate, nitrate, calcium, potassium, and sodium; benzene; CO; H2O2; OH;...
Search relevance: 45.81 | Views last month: 0 -
KMZ files with the location of all the EPA ambient monitors with the ability to download data from within the description box.
Search relevance: 45.15 | Views last month: 1
