Abstract
An overview is presented of the development and ongoing activities of the WHO/UNEP air quality monitoring project. The project started in 1973 and is part of the Global Environmental Monitoring System. An analysis of the sulphur dioxide and suspended particulate matter is also included. The results show that the annual mean concentration for sulphur dioxide has decreased since 1973; for suspended particulate matter, however, a gradual increase is observed since 1976.
Original language | English |
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Pages (from-to) | 359-371 |
Number of pages | 13 |
Journal | Environmental Monitoring and Assessment |
Volume | 1 |
Issue number | 4 |
DOIs | |
State | Published - Dec 1982 |
Externally published | Yes |
ASJC Scopus subject areas
- General Environmental Science
- Pollution
- Management, Monitoring, Policy and Law