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State of the Environment in Riga 2001
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Map
Air quality
Figure 2.
Tropospheric ozone concentrations
(µg/m³)
in the streets of Riga
from 1994 to 1999
Source: City of Riga Environmental Strategy
2000-2010
Riga City Environment Centre "Agenda 21"
This page was last updated: 2003.03.31.