This investigation was made to evaluate the correlation analysis of the presence of aggressive environments in indoor of an electronics industry installed in the Mexicali city, and its negative effect in low yielding of workers of the manufacturing areas, due to its weakened immune system and lung affections. This originated the generation of respiratory diseases as flu as the most common acute respiratory symptom in some workers, being the principal factor of a decrement of its productivity

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... quality levels. One of the relevant factors of this serious health symptom is the exposure to polluting particles from chemical agents (derived from sulfur (SO2), nitrogen (NO2) and carbon (CO)), which generated the aggressive environments. This was concerned to directive and manager personnel of the industry where was made the scientific study in was made this investigation, which was consisted four steps as (1) an analysis of operative yielding of workers of manufacturing areas, (2) an evaluation of environmental aspects as pollution agents and climatic parameters, which had relation with the sick workers of respiratory diseases as allergies and flue as the principal, (3) an improvement to clean the indoor environments of the electronics industry where was made the scientific study, using gases and finite particles of biological (fungi spores), chemical (SO2, NO2 and CO), and physical (finite dust), and (4) a microanalysis of microorganisms that were deposited in five plastic plates and evaluated with the Scanning Electron Microscopy (SEM), observing the presence of the microorganism called Aspergillus Fumigate, which caused the Aspergillus disease that originated an increase of the weakened immune system and the lung affections mentioned above in workers of the manufacturing, (.This scientific study was made from 2017 to 2019.