This tool returns emission metrics associated with your query. An emission metric is an estimate of a quantity of pollutant emitted within defined geographic, temporal, sectoral, and/or procedural boundaries. Air pollutant inventories, including those found in this Portal, typically feature the following parameters: Place (country or state/province/territory); Year (or range of years); Pollutant (or pollutant family); Source Category (or subcategory); and Estimation Methodology. Note: Fuel (another key parameter) is not included at this time, because it is not well-defined in the available inventories.
The parameters included in each inventory are shown in the Inventory Overview table below.
Select from the parameters below to refine your search. To ensure that your query returns results, refer to the Inventory Overview table to select parameters that are compatible with one another. Note: When selecting a Source Category or Estimation Methodology, we recommend that you click on the “i” icons for more information.
Use the links below to select countries, states, provinces, or territories.
A pollutant is a chemical or agent present in the atmosphere that may contribute to climate change or become hazardous to human health.
Select from either the list of source categories or the list of estimation methodologies below to see the associated pollutant(s). Clicking on a pollutant name will redirect you to the inventory(ies) that have associated pollutant data.
A source category is a classification of emissions by emitting activity or economic sector.
Use this search tool to obtain data for a selected source category, by selecting from either the list of guidance documents or the list of pollutants below.
An estimation methodology is a method and/or algorithm used to estimate the total emissions of one or more pollutants resulting from an emitting activity.
Use this search tool to obtain estimation methodologies for a selected Source Category or Pollutant.
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