According to the 2016 report of Nuevo Leon’s Environmental Monitoring Integral System, the Metropolitan Area of Monterrey has had an annual average of 272 days of poor air quality over the last fourteen years.

The main types of pollutants recorded in the Metropolitan Area of Monterrey are described as follows:

  • Natural sources, such as terrain, geographic location, and weather conditions, represent 28 percent of the pollution.
  • Mobile sources like cars, trucks, and trailers, among others, represent 45 percent of the pollution.
  • Area sources, such as commercial, service, or household activities generating dust, represent 16 percent of the pollution.
  • Stationary sources, including all industries, represent 11 percent of the pollution.

This situation is critical since the presence of pollutants is directly related to certain conditions affecting public health, some of which are listed below:

  • Respiratory diseases
  • Cardiovascular diseases
  • Death (in extreme cases)

In order to improve air quality, Universidad Autonoma de Nuevo Leon established a new environmental monitoring station on October 4, 2017, which is located in the parking lot in front of the Center for Business Development and Graduate Studies of the School of Accounting and Business Management. This was made possible thanks to the cooperation between UANL and the Government of the State through the Vice Presidency of Sustainability.

This UANL environmental monitoring system and two more recently inaugurated at Pueblo Serena shopping mall and at Cadereyta are added to the network of environmental monitoring for a total of 13 monitoring stations.

This automated system of monitoring performs the following tasks:

  • Measuring air quality and weather parameters. It keeps an up-to-date record of air quality.
  • Air pollutants: particles smaller than 2.5 microns, particles smaller than 10 microns, sulfur dioxide, ozone, nitrogen oxides, ammonia, hydrogen sulphide, and carbon monoxide.
  • Weather parameters: temperature, solar radiation, atmospheric pressure, wind direction and speed, rainfall, and relative humidity.