anx_II__point_4__text_2
‘A. Minimum number of sampling points for fixed measurements of concentrations of ozone Minimum number of sampling points for fixed continuous measurements to assess compliance with target values, long — term objectives and information and alert thresholds where such measurements are the sole source of information. At least 1 station in areas where exposure of the population to the highest concentrations of ozone is likely to occur. In agglomerations, at least 50 % of the stations shall be located in suburban areas. 1 station per 25000 km^(2) for complex terrain is recommended.’ Population (× 1000) Agglomeration Other zones Rural background < 250 1 1 station/50000 km^(2) as an average density over all zones per country < 500 1 2 < 1000 2 2 < 1500 3 3 < 2000 3 4 < 2750 4 5 < 3750 5 6 > 3750 One additional station per 2 million inhabitants One additional station per 2 million inhabitants
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Source: EUR-Lex (Cellar) · retrieved 2026-10-16 · Text as adopted (Official Journal); later amendments are not incorporated in this text.