Lëtzebuergesch (lu)
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Lëtzebuergesch (lu)
Français (fr)
Deutsch (de)
English (en)
Portals
European air quality index: sub-index O3 (based on pollutant concentrations in µg/m3)
good | |
fair | |
moderate | |
poor | |
very poor | |
extremely poor | |
no data |