| Allowances |
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Allowance Data Prepackaged Data Sets
Download allowances data for both the Acid Rain Program and the NOx Budget Trading Program.
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| Emissions |
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Emissions Prepackaged Data Sets
Download daily, hourly, or raw (EDR or XML format) hourly emissions data by state and year. Unit level hourly data are available by month or quarter. Unit level daily data are available by quarter or year. Raw hourly emissions and heat input data are available in the electronic data report (EDR) or XML format by year and quarter.
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Emissions Data in SMOKE Format
Download hourly emissions data formatted for use with the Sparse Matrix Operator Kernel Emissions (SMOKE) modeling system, version 2.3 and higher.
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| Compliance |
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Compliance Prepackaged Data Sets
Download compliance data for the Acid Rain, NOx Budget and OTC Programs.
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Progress Reports
Download progress reports for the Acid Rain, NOx Budget and OTC Programs.
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| Air Quality and Deposition |
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Deposition Data Prepackaged Data Sets
Download Clean Air Status and Trends Network (CASTNET) data.
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| OAR Publications |
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Publications Available on the OAR Website
Links to the Office of Air and Radiation (OAR) publication intended to show progress towards reducing air pollution.
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Clean Air Markets 
