Asthma is one of the diseases that are present in all parts of the world and a serious problem in countries with low and medium resources, causing 80% of deaths of patients with symptoms of not being treated correctly. Previous studies have shown that children with asthma are highly affected by environmental pollution and in Peru, the city with the highest presence of pollutants is Lima, with PM2.5 and PM10 being the most worrisome as they are the most frequently detected triggers in the city; For this reason, the aim is to create a system capable of detecting asthma triggers for the prevention of attacks. The system presented in this article seeks to measure air quality both inside the home of children with asthma and when it goes out, to avoid concerns on the part of parents or guardians in charge and to alert them in case of inconvenience. any. The system is responsible for uploading the reading of each of the sensors to a database in the cloud so that they are later published in a PWA and comparison and/or monitoring of the data can be carried out; so that a study of the environment in which the child is found can be carried out, to take the corresponding precautions. In this way, the system alerted those in charge through the IFTTT application that sent a message after detecting an anomaly.