Run dispersion models faster in the cloud

No installation required. Run AERMOD simulations with up to 60 CPU cores—anytime, from any device.

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Supports AERMOD • AERSCREEN • AERMET • AERSURFACE

Max Concentration
24.50 µg/m³
12% vs baseline
Peak Location
(150, 75)
app.dispersions.io/projects/industrial-2024
AERMOD Industrial Facility Assessment 2024
Overview Details Results
Run Complete Annual · 8,760 hrs
Source
-500-2500250500
5002500-250
Concentration (µg/m³)
0
24.5
Max Conc.
24.50 µg/m³
Max Location
(150, 75)
Total Receptors
1,024
Modeling Period
Annual 2024
Run Outputs Ready AERMOD.inp, meteorological data, output files
Download All
Integrated Workflow

See how everything connects

Tap each component to view details

AERSURFACE
Land Use Analysis
Calculates surface roughness, albedo, and Bowen ratio from NLCD land cover data
Outputs to AERMET →
AERSCREEN
Screening Model
Quick worst-case analysis with automatic meteorology for preliminary assessments
Outputs to AERMOD →
AERMET
Met Processor
Processes surface, upper air, and 1-minute ASOS data into AERMOD-ready files
Outputs to AERMOD →
Core
AERMOD
Dispersion Engine
EPA's regulatory model with parallel processing on up to 60 CPU cores
60 cores 12x faster
Results
Analysis Complete
Concentration plots, compliance reports, and exportable data
60
CPU Cores
12x
Faster
Start modeling now No credit card required
AERMOD Lightning

Unheard of run times.
Unbeatable prices.

Thanks to modern cloud technology, AERMOD Lightning runs faster than legacy software that costs thousands.

Legacy Standalone
Traditional software
  • Limited to your hardware specs
  • Buy more licenses for concurrency
  • Expensive yearly updates
  • Local install required
  • License seat limits
$3,000+
per license/year
VS
AERMOD Lightning
Cloud-powered by Dispersions
  • 60 Intel Xeon CPU cores
  • Unlimited concurrent runs
  • Always up-to-date
  • Run from any browser
  • No seat limits
$0 upfront
pay only for what you use
Easy Setup

Get started in minutes

Three simple ways to begin your AERMOD run with Dispersions

1

Build with GUI

Create a run from scratch using our intuitive graphical interface. No files needed.

Beginner Friendly
2

Upload .inp Files

Upload your AERMOD.inp and other input files directly. We'll handle the rest.

Quick Start
3

Import .isc Project

Import existing .isc projects from Lakes software seamlessly.

Migration Ready
The Dispersions Advantage

Why teams choose us

12x Faster Processing

Parallelize on up to 60 Intel Xeon cores. What used to take hours now completes in minutes.

Traditional
4+ hours
Dispersions
~20 min

Start in Seconds

Upload .inp files, import from Lakes, or build from scratch with our intuitive GUI.

Drop .inp file
Exclusive

AERMOD Alchemy

Generate any output file on-the-fly. Postfiles, Daytables, Maxifiles—no reruns needed.

Run Complete
POSTFILE DAYTABLE MAXIFILE PLOTFILE SEASONHR
Identical to AERMOD output: +/- 0.00001 accuracy
Example: Run completed with ALL and STACKS source groups. Need SEASONHR for STACKS? Just select from dropdown and download—no rerun needed.

Infinite Concurrency

Run unlimited parallel jobs. No extra licenses needed.

Job 1
Job 2
Job 3
Job 4

Pay as You Go

No licenses. No surprises. Pay only for what you use.

$0 upfront
Receptors Days Terrain

Built for Teams

Collaborate anywhere. Share projects, track progress.

+5
Productive Ecosystem

Everything you need to succeed

Powerful tools and a supportive ecosystem make Dispersions the most productive platform for dispersion modelers.

Full AERMOD Suite

Access AERMOD, AERSCREEN, AERMET, and AERSURFACE all in one platform. No need to purchase each tool separately.

Learn more

Cost Estimator

Know your costs upfront. Transparent, usage-based pricing with no hidden fees or license surprises.

Try the estimator

100% Cloud-Based

Run models from anywhere with just a browser. No software to install, no hardware limitations.

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Expert Support

Get help when you need it. Our dispersion modeling experts are here Monday through Friday.

Contact us
Trusted Platform

Trusted by modelers worldwide

Join organizations accelerating their dispersion modeling workflows with Dispersions.

60
Intel Xeon CPU cores
12x
Faster than standalone
4
EPA tools included
24/7
Cloud availability
Work From Anywhere

Built for modern teams

Dispersions is designed for how teams work today—distributed, async, and always connected.

Run from anywhere

Access your AERMOD runs from office, home, or on the go. No VPN or local install needed.

No hardware limitations

Your laptop's specs don't matter. Our cloud handles the heavy lifting with 60 Intel Xeon cores.

Async collaboration

Team members across time zones can run, review, and share results without waiting.

No license headaches

Forget seat limits and annual renewals. Pay for what you use, scale when you need.

NYC Team
London
Singapore
Tokyo
24/7
Availability
99.9%
Uptime
Global
Access
Start modeling in minutes

Ready to transform your
AERMOD workflow?

Join environmental consultants, researchers, and organizations already using Dispersions to run faster, more efficient dispersion models.

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No commitments
Pay only for what you use