Truly integrated
AERMOD, AERMET, AERMAP and BPIPPRM combined into one interface.
AERMOD Cloud® — Gaussian Plume Air Dispersion Model
Integrated regulatory air dispersion modelling system
AERMOD Cloud® provides a unified interface to the U.S. EPA’s AERMOD Modelling System, combining AERMOD, AERMET, AERMAP and BPIPPRM into a single streamlined workflow. Built for Environmental Impact Assessment (EIA) and regulatory submissions — it simplifies setup, enforces compliance, and boosts productivity for professional air dispersion modelling.
Note: AERMOD Cloud is not a web-based tool — it's a full Windows desktop application with optional cloud-connected features for data download, sharing, and collaboration.
Need help? Contact software support.
Feature overview
Built-in terrain data
90 m DEM resolution for terrain processing via AERMAP.
Meteorological processing
Integrated AERMET with Excel-to-SAMSON conversion.
Multi-pollutant projects
Run multiple pollutants in one project file.
Output visualisation
Automatic gridding, contouring and customizable isopleths with overlays.
Multi-source support
Handles point, area, line, volume, open pit and polygonal emissions.
Downwash
Integrated BPIPPRM for building downwash calculations.
Google Earth export
Export isopleths as KML for 3D overlays and presentation.
Post-processor
Advanced analysis: contour plots, time series, percentiles, filtering and meteorological data viewer.
Visual feature tour
Click any image to open the full-size view (new tab)
Built-in terrain
90 m elevation data support for AERMAP to evaluate complex terrain and hill-height scale.
AERMET processing
Integrated AERMET pipeline; includes Excel-to-SAMSON aids and met QA views.
Visualisation & overlays
Automatic gridding, contouring, custom isopleths and overlays (basemap, receptors, wind rose).
Met data viewer
Visualise surface/profile data and generate charts to assess atmospheric conditions.
Post-processor
Time-series, percentile filters, multi-parameter slicing, and export to GIS/KML.
KML export
Export isopleths for Google Earth™ visualisation and client sharing.
Technical specifications
AERMOD Cloud® interfaces with AERMOD, AERMET and AERMAP- GUI Name
- AERMOD Cloud®
- GUI Version / Release
- 24
- Core Model
- AERMOD
- AERMOD Version
- v24142 (+ v23132, v22112, v21112, v19191, v18081, v16216, v15181)
- Developed by
- AERMIC
- Model type
- Steady-state Gaussian plume
- Range
- Up to 50 km from source
- Wind field
- Homogeneous
- Release types
- Buoyant or neutral
- Emissions
- Constant or time-varying
- Source types
- Point, Area, Line/RLINE, Volume, Open Pit
- Meteorology
- Hourly surface and upper-air (via AERMET)
- AERMET Version
- v24142 (+ v23132, v22112, v21112, v19191, v18081, v16216, v15181)
- Terrain
- Flat / elevated (via AERMAP)
- AERMAP Version
- v24142 (+ v18081, v11103)
- Receptors
- Cartesian / polar / linear grids + discrete receptors
- Other
- Building downwash (BPIP-PRIME)
System requirements
Recommended for reliable modelling performance
- Supported OS
- Windows 10 / 11
- CPU
- Intel 32-bit, 2 GHz or higher (multi-core recommended)
- Memory
- 8 GB RAM minimum — 16 GB recommended for large projects
- Display
- 1366×768 (True Color). Higher resolution improves charting and map detail.
- Input
- Mouse / pointing device
- Network
- Internet connection required for updates, basemap tiles and licence checks
Regional settings:
Set to English (India) while running the model to ensure date/time formats match model IO. You may revert afterwards.
How to change regional settings (Windows)
- Open Settings → Time & language → Language & region (or Control Panel → Region).
- Under Regional format, select English (India).
- Sign out / restart if prompted to apply changes.
Subscription & licensing options
Version: 24.0.0.112
Release: 10 March 2025
GST notice: Prices exclude taxes. 18% GST applies at checkout for Indian customers.
Perpetual license: One-time payment — use the purchased version as long as compatible. Upgrades and support are available via annual maintenance (AMC).
Before you purchase:
- Expertise required: The GUI wraps the US EPA AERMOD model; it is not a substitute for professional training.
- Support scope: Software support covers installation and bug fixes. Input/output review and training are paid services. Please read our software support policy for more details.
Updates
Downloads & releasesUpdates are free for active subscribers and customers on maintenance. Use your account credentials to access downloads.
Current:
AERMOD Cloud Version: 24.0.0.112
|
10 March 2025
Typical uses & applications
- Regulatory compliance: Demonstrate compliance with air quality standards.
- Permitting: Supports air permit applications for industrial facilities.
- Environmental Impact Assessment (EIA): Assess air quality impacts for projects.
- Health risk assessment: Model exposure levels for nearby populations.
- Urban air quality: Planning and management in complex urban terrain.
- Emergency planning: Analyze accidental release scenarios.
- Legal support: Evidence for litigation or regulatory disputes.
- Pollution control design: Optimise stack heights and controls.
- Academic research: Model validation and atmospheric studies.
- Consulting: Site studies, permitting, and technical reports.
Legal notice
AERMOD is developed and maintained by the U.S. EPA / AERMIC and is public domain software. AERMOD Cloud® is a proprietary interface developed by Envitrans® that provides workflow automation, integration, and user support. Licensing applies to the Envitrans GUI and related tools only — the integrated environment, automation, and support features are Envitrans intellectual property.
Product update: Support for AERMOD Cloud Version 18 ended on 01 Jan 2025.
Upgrade to Version 24 (free for perpetual licence holders and active subscribers).
For assistance, contact software support.