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Freelance Air Dispersion Modeling Jobs (NOW HIRING)

Georgia

Modeler 1

Atlanta, GA · On-site

$70K - $78K/yr

The DMU performs dispersion modeling to better understand the impacts of facility emissions on ambient air quality. Specifically, the DMU performs quarry modeling, toxic air pollutant modeling, and ...

Ramboll

Managing Consultant, Air Quality

Boston, MA · On-site

Strong understanding of air pollution control technologies and air dispersion modeling tools (e.g., AERMOD) * Experience interpreting and applying federal and state air regulations, including Clean ...

Ramboll

Managing Consultant, Air Quality

Hartford, CT · On-site

Strong understanding of air pollution control technologies and air dispersion modeling tools (e.g., AERMOD) * Experience interpreting and applying federal and state air regulations, including Clean ...

Ramboll

Managing Consultant, Air Quality

Manhattan, NY · On-site

Strong understanding of air pollution control technologies and air dispersion modeling tools (e.g., AERMOD) * Experience interpreting and applying federal and state air regulations, including Clean ...

Chris Baily

Managing Consultant, Air Quality

Manhattan, NY · On-site

$116 - $150/hr

The team provides services across a range of areas, including air permitting, emissions estimation, regulatory compliance, control technology assessments, air dispersion modeling, and preparation of ...

Ramboll

Managing Consultant, Air Quality

Boston, MA

Strong understanding of air pollution control technologies and air dispersion modeling tools (e.g., AERMOD) * Experience interpreting and applying federal and state air regulations, including Clean ...

Ramboll

Managing Consultant, Air Quality

Boston, MA · On-site

Strong understanding of air pollution control technologies and air dispersion modeling tools (e.g., AERMOD) * Experience interpreting and applying federal and state air regulations, including Clean ...

Ramboll

Managing Consultant, Air Quality

Boston, MA · On-site

Strong understanding of air pollution control technologies and air dispersion modeling tools (e.g., AERMOD) * Experience interpreting and applying federal and state air regulations, including Clean ...

Ramboll

Managing Consultant, Air Quality

Plainsboro, NJ · On-site

Strong understanding of air pollution control technologies and air dispersion modeling tools (e.g., AERMOD) * Experience interpreting and applying federal and state air regulations, including Clean ...

Ramboll

Managing Consultant, Air Quality

Portland, ME · On-site

Strong understanding of air pollution control technologies and air dispersion modeling tools (e.g., AERMOD) * Experience interpreting and applying federal and state air regulations, including Clean ...

Ramboll

Managing Consultant, Air Quality

Boston, MA · On-site

Strong understanding of air pollution control technologies and air dispersion modeling tools (e.g., AERMOD) * Experience interpreting and applying federal and state air regulations, including Clean ...

Ramboll

Managing Consultant, Air Quality

Boston, MA

Strong understanding of air pollution control technologies and air dispersion modeling tools (e.g., AERMOD) * Experience interpreting and applying federal and state air regulations, including Clean ...

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Freelance Air Dispersion Modeling information

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$14

$47

$132

How much do freelance air dispersion modeling jobs pay per hour?

As of Sep 7, 2026, the average hourly pay for freelance air dispersion modeling in the United States is $47.71, according to ZipRecruiter salary data. Most workers in this role earn between $24.28 and $61.78 per hour, depending on experience, location, and employer.

What is freelance air dispersion modeling?

Freelance air dispersion modeling involves independent professionals using specialized software and scientific methods to predict how pollutants and emissions travel through the atmosphere. These freelancers work with companies or governments to assess the environmental impact of projects, industrial activities, or accidental releases. Their work helps ensure compliance with air quality regulations and supports decision-making for public health and safety. Freelance air dispersion modelers often analyze data, prepare reports, and provide recommendations based on their findings.

What are the key skills and qualifications needed to thrive as a freelance air dispersion modeler?

To thrive as a Freelance Air Dispersion Modeler, you need a solid background in atmospheric science, environmental engineering, or a related field, with expertise in air quality standards and modeling concepts. Proficiency in using specialized software such as AERMOD, CALPUFF, or ISCST3, along with familiarity with GIS tools and data analysis platforms, is typically required. Strong analytical thinking, clear communication, and effective project management skills help you interpret results and collaborate with clients. These skills ensure accurate assessments, regulatory compliance, and successful completion of diverse environmental projects.

What are some common challenges faced by freelance air dispersion modelers when managing multiple projects simultaneously?

Freelance air dispersion modelers often juggle projects for diverse clients with varying data requirements, regulatory standards, and deadlines. Managing these complexities requires strong organizational skills and the ability to quickly adapt to different modeling software and methodologies. Communication is also key, as freelancers must regularly coordinate with environmental consultants, regulatory agencies, and clients to clarify project objectives and deliverables. Keeping up-to-date with evolving environmental regulations and best practices is essential to ensure high-quality, compliant results across all projects.

What is the difference between Freelance Air Dispersion Modeling vs Environmental Consultant?

AspectFreelance Air Dispersion ModelingEnvironmental Consultant
CredentialsOften requires certifications in air quality modeling and relevant softwareTypically holds degrees in environmental science or engineering, with certifications preferred
Work EnvironmentIndependent, project-based, often remote or client-siteEmployed by consulting firms or agencies, working on multiple projects
Industry UsageSpecialized in air dispersion modeling tasks for various clientsBroader environmental assessments including air, water, and soil

While Freelance Air Dispersion Modeling focuses specifically on modeling air quality impacts independently, Environmental Consultants provide comprehensive environmental services, including but not limited to air dispersion modeling. Both roles require relevant credentials, but Freelance modelers often work independently on specific projects, whereas environmental consultants are typically employed by firms offering broader environmental solutions.

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Freelance Air Dispersion Modeling jobs near you
Infographic showing various Freelance Air Dispersion Modeling job openings in the United States as of August 2026, with employment types broken down into 100% Full Time. Highlights an 75% In-person, and 25% Remote job distribution, with an average salary of $99,230 per year, or $47.7 per hour.

Modeler 1

Georgia

Atlanta, GA • On-site

$70K - $78K/yr

Full-time

Re-posted 17 days ago

Job description

Explore a World of Opportunity with the State of Georgia!

We are the force that drives Georgia!
Georgia State Government is a large enterprise, composed of various agencies and entities with a common goal to improve the lives of Georgia's more than 10 million citizens!
Join Team Georgia and impact lives everyday while receiving a robust benefits package designed for every stage of your career!

Job Title:

Modeler 1

Job Requisition ID:

JR0000001183

Number of Openings:

1

Shift:

Day (United States of America)

Compensation Details:

MODELER 1 - $64,480.00
MODELER 2 - $70,928.00
MODELER 3 - $78,020.80

Job Description:

This position is in the Georgia Environmental Protection Division (EPD) - Air Protection Branch - Planning and Support Program - Data and Modeling Unit (DMU). The DMU performs dispersion modeling to better understand the impacts of facility emissions on ambient air quality. Specifically, the DMU performs quarry modeling, toxic air pollutant modeling, and PSD modeling for issuance of air permits. In addition, DMU perform dispersion modeling for special projects. Modelers may be asked to utilize the following models: AERMOD, AERMET, AERMAP, AERSCREEN, AERSURFACE, BPIPPRIM, CALPUFF, ISC3, SCREEN3, and the Weather Research and Forecast (WRF) meteorological model. The incumbent should have strong verbal and written communication skills.

Under supervision, applies knowledge of science or engineering in the use of mathematical models to simulate natural systems and to analyze the consequences of future conditions and management alternatives and to interpret the results.

Preference may be given to applicants with: 1. Advanced degree (Master's or Ph.D.) 2. Strong background in facility-level emission inventory development, meteorological modeling, and/or atmospheric chemistry 3. Experience running air dispersion models (e.g., AERMOD, CALPUFF, ISC, SCREEN3) 4. Experience with EPA rules and guidance related to air permitting 5. Experience with EPA rules and guidance related to air permit modeling 6. Strong background in scientific computer programming (FORTRAN, Python), database management (ACCESS, MYSQL), and Geographic Information System (GIS)

Minimum Qualifications:

Bachelor's degree in a science or engineering from an accredited college or university.

Equal Employment Opportunity Employer

The State of Georgia does not discriminate based on race, color, national origin, sex, religion, age, disability, or other protected categories in employment or the provision of services.
Qualified applicants may request reasonable accommodation when needed during the application and/or screening process by contacting the appropriate agency Human Resources department.

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