Weather Station - AERMETBREEZE®, the market-leading air dispersion modeling software used by environmental professionals around the world, released a new version of AERMET, the meteorological data preprocessing software for AERMOD. This version integrates the latest U.S. EPA AERMINUTE executable 15272. AERMINUTE uses one-minute ASOS data to generate hourly averages of wind direction and wind speed to supplement existing surface data. BREEZE AERMET Version 7.7 includes the following features:

  • Incorporates the latest U.S. EPA AERMINUTE executable 15272 which includes the capability to read in optional 5-minute data ASOS files as a supplement to 1-minute ASOS data
  • 5-minute ASOS data_AERMET

  • Adds the option to allow AERMET Stage 1 surface OQA and/or upper air OQA format to be entered as input data
  • AERMET Stage 1 surface OQA input data_AERMET

Read the BREEZE AERMET Version 7.7 release notes for more details.

It is highly recommended to download and install this update in order to continue using the most up-to-date BREEZE AERMET. Combining full U.S. EPA regulatory compliance with an all-new user interface, BREEZE AERMET 7 is both more powerful and easier to use than ever.


Over 4,000 environmental professionals in more than 90 countries use BREEZE software to assess the impacts of air emissions, fires, and explosion. In addition to developing sophisticated modeling software programs, BREEZE also offers quality-assured model-ready meteorological and terrain data, professional training, high-speed modeling solutions, and specialized consulting services.

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