• Organization: U.S. Environmental Protection Agency
• Updated: 2015-11-18T00:00:00.000+00:00

This GIS dataset contains points which depict air quality monitors within EPA's Air Quality System (AQS) monitoring network. This dataset is updated weekly to reflect the most recent changes in...

• Organization: U.S. Environmental Protection Agency
• Updated: 2017-04-20T00:00:00.000+00:00

This map service contains participants in EPA's Air Quality Flags Program. The map service also includes the current day's AQI forecast for each participant in the program. The Air Quality Flag...

• Organization: U.S. Environmental Protection Agency
• Updated: 2016-04-11T00:00:00.000+00:00

This web service contains layers that depict annual emissions for 2014 at the facility and county level for the following criterial pollutants: CO, Lead, NH3, NOx, PM10, PM25, SO2, and VOC. The...

• Organization: U.S. Environmental Protection Agency
• Updated: 2017-08-28

Annual air trends report in the form of an interactive web application. The report features a suite of visualization tools that allow the user to: -Learn about air pollution and how it can affect...

• Organization: U.S. Environmental Protection Agency
• Updated: 2015-07-01T00:00:00.000+00:00

This web service layer, Carbon Monoxide (1990 NAAQS), displays identified state level areas where carbon monoxide pollution has not met the National Ambient Air Quality Standards (NAAQS)...

• Organization: U.S. Environmental Protection Agency
• Updated: 2015-07-01T00:00:00.000+00:00

This web service layer, Ozone 8-hr (2015 standard), displays identified state level areas where ground-level ozone have not met the National Ambient Air Quality Standards (NAAQS) established in...

• Organization: U.S. Environmental Protection Agency
• Updated: 2014-01-01

The Emissions Modeling Clearinghouse (EMCH) supports and promotes emissions modeling activities both internal and external to the EPA. Through this site, the EPA distributes and documents...

• Organization: U.S. Environmental Protection Agency
• Updated: 2014-01-01

EPA regulations codified in 40 CFR Part 60 and 63 require affected sources to perform emissions source tests, conduct continuous emissions monitoring, and submit compliance and emissions reports ....

• Organization: U.S. Environmental Protection Agency
• Updated: 2014-01-01

The Air Emissions Trends site provides national trends of criteria pollutant and precursor emissions data based on the the National Emissions Inventory (NEI) from 1970 - the latest NEI year.

• Organization: U.S. Environmental Protection Agency
• Updated: 2014-01-01

The EPA Control Strategy Tool (CoST) is a software tool for projecting potential future control scenarios, their effects on emissions and estimated costs. This tool uses the NEI and the Control...

• Organization: U.S. Environmental Protection Agency
• Updated: 2014-01-01

The Monitoring Knowledge Base (MKB) is a compilation of emissions measurement and monitoring techniques associated with air pollution control devices, industrial process descriptions, and...

• Organization: U.S. Environmental Protection Agency
• Updated: 2017-03-02T00:00:00.000+00:00

This US EPA Office of Air and Radiation, Office of Air Quality Planning and Standards, Air Quality Assessment Division, Air Quality Analysis Group (OAR, OAQPS, AQAD, AQAG) web service contains the...

• Organization: U.S. Environmental Protection Agency
• Updated: 2014-01-01

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...

• Organization: U.S. Environmental Protection Agency
• Updated: 2014-01-01

The EPA Control Measure Dataset is a collection of documents describing air pollution control available to regulated facilities for the control and abatement of air pollution emissions from a...

• Organization: U.S. Environmental Protection Agency
• Updated: 2014-01-01

OTS is an internal EPA national tribal database to assist the Regions and HQs in tracking tribal performance information.

• Organization: U.S. Environmental Protection Agency
• Updated: 2017-03-02T00:00:00.000+00:00

This US EPA Office of Air and Radiation, Office of Air Quality Planning and Standards, Air Quality Assessment Division, Air Quality Analysis Group (OAR, OAQPS, AQAD, AQAG) web service contains the...

• Organization: U.S. Environmental Protection Agency
• Updated: 2014-01-01

Emissions factors have long been the fundamental tool in developing national, regional, state, and local emissions inventories for air quality management decisions and in developing emissions...

• Organization: U.S. Environmental Protection Agency
• Updated: 2014-01-01

The CMAQ Model Outputs data asset includes current and projected future levels of ambient concentrations and deposition to support regulatory impact analyses.

• Organization: U.S. Environmental Protection Agency
• Updated: 2014-01-01

The Title V Permitting Statistics Inventory contains measured and estimated nationwide statistical data, consisting of counts of permitted sources, types of permits issued, and the timeliness of...

• Organization: U.S. Environmental Protection Agency
• Updated: 2019-09-30

The EPA/ORD/CEMM-contributed dataset consisted of hourly CMAQ output for all model species from a 2017 simulation over the northern hemisphere along a boundary curtain of a 36 km modeling domain...