Continual monitoring of the ozone layer.

Updated 2017-10-17

National Environmental Monitoring in Sweden in "Air" programme and sub-programme "the thickness of the ozon layer". The project follows changes in the thickness of the ozone layer in the atmosphere over Sweden.

This is a National Implementation Plan (NIP) project
Comments and additional information:

Continual monitoring of the ozone layer is performed in Norrköping in central Sweden and at Vindeln in the AMAP area. Data on totalozone is also used for calculations of UV-B radiation an UV index. The locations are included in the international network for monitoring of the ozone layer within WMO Global Ozone Observig System.

Time frame

Project time span
1988 - 2099
Data collection
1988 - 2017
Data processing
1988 - 2017
Data reporting
1988 - 2017

Contact information

Contact person
Weine Josefsson

Swedish Meteorological and Hydrological Institute (SMHI) 601 76 Norrköping Sweden

Other project contacts

Lars Klintwall, Swedish Environmental Protection Agency S-106 48 Stockholm Sweden, Phone: +46106981282, E-mail:

Tove Lundeberg (AMAP representative), Swedish Environmental Protection Agency, Phone: +46106981611, E-mail:


Parameters and Media

Parameter groups measured/observed/modelled
Climate change effects
UV effects
Media sampled/studied/modelled


Regions studied
UV effects
UV effects
UV effects
UV effects
UV effects
UV effects
Stations or areas where observations are made

Vindeln (AMAP area, lat 64.24°N long 19.77°E) and Norrköping (southern Sweden, lat 58.58°N long 16.15°E), monitoring of total ozone.

Data availability

Are data archived or planned to be archived at an AMAP Thematic Data Centre?
If no (or only part of data are reported to a TDC), where and how are (other) data stored?

Data are available at the national datahost: Swedish Meteorological and Hydrological Institute (SMHI), 601 76 Norrköping, Sweden, and SMHI website:( and (; also on website of World Ozone and Ultraviolet Data Centre in Canada ( ). Results from the Swedish EMEP-programme are published annually, reported to the EMEP database at NILU, included in the European modelling and evaluation activities, and to European Topic Centre on Air and Climate hange (EIONET): (

References to key publications (or planned publications) and data reports

Publications are available on the Swedish EPA DiVA portal:(, and Swedish Meteorological and Hydrological Institute (SMHI)(; as well as European Environment Information and Observation Network (

Description of the subprogram "Thickness of the ozone layer" (in Swedish): (

Samples/specimens archived in specimen banks?

Methods & Procedures

Procedures and methodology used for, e.g., sampling and sample storage, sample pretreatment, extraction and analysis, including which laboratories are involved, references to methods employed, etc.

Standard methodology applied according to the WMO recommendations. A Brewer ozone spectroradiometer has been in operation since 1983. In 1990 this instrument was moved to Vindeln (64.2 N 19.8 E) . The main purpose of this instrument is to monitor total ozone. However, its capability to measure UV-spectra has been used to produce a spectral data base.

Additional Information

Is this a bi- AND multi-lateral project (i.e. a project involving cooperation between different countries)?
Other institutes involved in the project

Swedish EPA

Is this project reporting to other organizations/programmes?

Data are reported to World Ozone and Ultraviolet Data Centre in Canada, Co-operative programme for monitoring and evaluation of the long range transmission of air pollutants in Europe. (EMEP) database at Norvegian Institute for Air Research (NILU), European Topic Centre. on Air and Climate hange (EIONET)

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