Background Information
Environmental Situation
Air Quality Assessment
Air Quality Improvement
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Air Quality Improvement
Air pollution has been reduced in Oslo since the 1950s. However, during the last 10-15 years there is no downward trend for the outdoor air quality in Oslo. Even though concentration of particulates (PM10) has been reduced to some extent from the implemented initiatives, the NO2 concentration has increased or stayed unchanged in the city.

An abatement plan for better air quality in Oslo was passed in 2005 and revised in 2010. The plan includes initiatives for improving the air quality on short and long term.

Initiatives to reduce air pollution:
  • Toll ring around Oslo
  • Free parking and toll ring passage for electric cars
  • Use of studded tyres on municipal cars is banned
  • Tax on use of studded tyres
  • District heating in parts of the city
  • Refund for changing from old wood stoves to a new cleaner ones (approx. 70 000 households use wood as a part of house heating)
  • Mobility management
  • Cleaning and dust-damping with magnesium chloride solution
  • Environmental speed limit
It is necessary to continue and intensify the measures that already have been initiated, together with measures to reduce N02-pollution, such as restricting traffic and to introduce low-emission zones.

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