Hotspots Analysis Reporting Program Software Downloads
page last reviewed August 29, 2014
HARP Software Downloads
is avaliable free
for download. Please note the HARP program has not been tested on Windows Vista. Please report any issues to HARP or contact the Stationary Source Division, Emission Assessment Branch at
(ZIP - 1.7 MB)
This file was recompiled on 02/03/09
HARP On-Ramp was developed as an interim tool to allow people to use
AERMOD with HARP. If you have air dispersion data from
program (e.g., AERMOD View, BEEST, or BREEZE), you can import this
data directly into the HARP Risk Module using this program.
HARP On-Ramp accepts files from AERMOD, ISC, and CALPUFF.
In order to use the HARP On-Ramp, you must have
Microsoft .NET Framework 1.1 or
later installed on you computer.
Please note that a new health database is available for the HARP
On-Ramp. View information on how to download and install the
that user instructions are embedded in the HARP On-Ramp program.
Please note the HARP On-Ramp program has not been tested on
Vista. Please report any issues to HARP.
Emission Inventory Module v2.0
The Emission Inventory Module can create and manage facility emission
inventory databases. This data can be transmitted to the local air
districts and the ARB. The Emission Inventory Module can also calculate
facility prioritization scores.
Note: ARB is currently updating the HARP software. This version is the
first of three modules that will eventually replace the existing HARP
version 1 series. ARB anticipates on having the Air Dispersion and Risk
Assessment Modules available when the OEHHA “Hot Spots” Guidance Manual
is adopted. The new version of HARP will include AERMOD and the updates
to the OEHHA “Hot Spots” Risk Assessment Guidelines. HARP version 1
series will continue to be available until all the HARP2 modules are
Note: You must uninstall any test versions before installing the program. Do not attempt to use data created using the
test versions released prior to February 28, 2014.
Please email questions to