dnota medio ambiente, s. l.
has been awarded the contract for “Maintenance and support services for the management of the Air Quality Network of the Community of Madrid”. As of April 2014, the professionals at dnota will be in charge of the Air Quality Network, checking and calibrating the analysis and sampling equipment, managing and analyzing the data obtained.

The data validation team will work from the Control Center, located in the Tres Cantos offices, analyzing the values recorded every hour of the day, in order to inform the Regional Ministry of the Environment and Land Management of any incident. It will also be managed from dnota will also provide information to the population in the event of exceeding the information and alert thresholds for ozone, NO2 and SO2, through SMS messages to cell phones.

This contract also includes the renewal of part of the equipment, with state-of-the-art analyzers.

The Air Quality Control Network of the Community of Madrid consists of a set of automatic stations. All of them provide ambient air immission data. Among the objectives of the environmental policy of the Community of Madrid is the protection of the atmospheric environment, including the control of atmospheric emissions and the analysis of polluting particles and gases present in our environment.

It should be noted that the technical staff of
has an extensive experience of more than 25 years working in this type of networks, currently performing maintenance in the public air quality networks of the Government of Extremadura, Government of Cantabria, Generalitat de Cataluña, Agencia Estatal de Meteorología, as well as a large number of private air quality measurement networks. dnota has also managed for years the networks of the Valencian Community and the Region of Murcia.

In the contract with the Community of Madrid, the consulting firm Ideas Medioambientales will collaborate with dnota in the quality control of network management.


Corporate Information

dnota is a company dedicated exclusively to the environmental sector. The company brings together specialized services in four business areas: atmosphere, water, soil-waste and acoustics-vibrations.

dnota is a distributor of the most prestigious international brands of environmental control equipment. It also has laboratories and technical service with the most advanced diagnostic tools and calibration of air quality instruments and a highly qualified and experienced team.

dnota has offices in the following cities:

  • Tres Cantos (Madrid)
  • Sant Cugat (Barcelona)
  • Albolote (Granada)
  • Torrelavega (Cantabria)
  • Laguna de Duero (Valladolid)
  • Cáceres
  • Alicante
  • A Coruña


dnota has an environmental TESTING LABORATORY for water, soil and sediments, aquatic organisms and air, a CALIBRATION LABORATORY in the chemical area and an ACOUSTICS LABORATORY accredited by ENAC according to the UNE-EN ISO/IEC 17025 standard.

is also accredited by ENAC according to the UNE-EN ISO/IEC 17020 Standard, for INSPECTION activities in the ENVIRONMENTAL area, in addition to being a Control Body in the different Autonomous Communities and a Collaborating Entity of the Ministry of the Environment.