Local and regional air quality over 1997 based on decrees

Rapportage besluiten luchtkwaliteit 1997


Eleven of the 12 Dutch provinces and 52 of the 79 municipalities (over 40.000 inhabitants) reported on their air quality for 19997. The National Institute of Public Health and the Environment (RIVM) and the Directorate-General for Environmental Protection of the Ministry of VROM then combined these reports into an annual national report for 1997. The largest in several years, still 35 percent of the municipalities failed to meet their reported obligations. Most of the reports on air quality are incomplete on the contribution of large point sources and traffic to local air quality. For 1997 one province reported an exceedence of the limit value of nitrogen dioxide. In four provinces the target value of nitrogen dioxide was exceeded. The province of Zuid-Holland has to report next year on its air quality over 1998 because of exceeding of the limit value and the provinces Friesland and Utrecht have to report because they did not report (completely) over 1997. The 52 municipalities reported in total 60 exceedences of the (provisional) limit value over 1997: 20 roads with an exceedence of the nitrogen dioxide (provisional) limit value, 2 roads with an exceedence of the carbon monoxide limit value and 38 roads with an exceedance of the benzene limit value. Nine municipalities have to report on their air quality over 1998; Amsterdam, Arnhem, Breda, Den Haag, Leiden, Nijmegen, Sittard, Utrecht and Zwolle. Also the 27 municipalities which did not report over 1997 have to report over 1998; Alphen a/d Rijn, Dordrecht, Ede, Eindhoven, Enschede, Gouda, Groningen, Heerhugowaard, Heerlen, Helmond, 's Hertogenbosch, Heusden, Katwijk, Leeuwarden, Maarssen, Maastricht, Oosterhout, Oss, Purmerend, Ridderkerk, Roosendaal, Veldhoven, Smallingerland, Tilburg, Velsen, Vlaardingen and Zwijndrecht. Seven provinces and eight municipalities also reported on their policy to either maintain their air quality or improve it. Exceedance of limit values means that on a local scale air quality cannot in general be considered high.

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