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Environmental information systems
The red dots indicate stations reporting exceedances of
the 2010 annual target value (25 μg/m3) plus at least
5 μg/m3.
The dark orange dots indicate stations reporting
exceedances of the 2010 annual target value
(25 μg/m3), as set out in the Air Quality Directive.
The orange dots indicate stations reporting
exceedances of the 2020 indicative annual limit value
(20 μg/m3), as set out in the Air Quality Directive.
The pale green dots indicate stations reporting
exceedances of the WHO air quality guideline for PM2.5
of less than 10 μg/m3 but not in exceedance of target
or limit values for PM2.5 as set out in the Air Quality
Directive.
The dark green dots indicate stations reporting
concentrations below the WHO air quality guideline for
PM2.5 and implicitly below the target and limit values for
PM2.5 as set out in the Air Quality Directive
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