NO 2 (137 air quality zones): 126 zones recorded values below the annual limit value and 133 recorded values below the hourly limit value.Analysis of the 2008 assessment based on data obtained from the main regional air pollution-monitoring networks can be obtained on detail from the report “ Spain 's Natural, Rural and Marine Environment 2009”, and could be highlighted the following: Assessment of air quality in Spain by zoneĪir quality assessment is prescribed by European legislation and has been progressively transposed into Spanish law.
