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CO-Benefits Risk Assessment Health Impacts Screening and Mapping Tool (COBRA)

COBRA Web Edition

COBRA logo

CO-Benefits Risk Assessment (COBRA) is a screening tool that enables state, local, and tribal government staff and others interested in the effects of air pollution to estimate the air quality and health benefits of different emissions scenarios.

You are using the web-based version of COBRA. For the COBRA desktop application, visit the COBRA download page.

Start

Step 1: Build Scenario

Complete the sections below and click "Add to Scenario."

A. Select Location Required

Select the states or counties where the emissions changes will occur.

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B. Select Sector Required

Select the industry or sector where the emissions changes will occur.

C. Modify Emissions Required

Enter emissions changes for at least one of the four pollutants below.

PM2.5
SO2
NOx
VOC
NH3

Step 2: Review Scenario

Build scenario to begin
Build scenario to begin

Step 3: View Results

Build scenario to begin
Build scenario to begin