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en:legend:gisgr:european_air_quality_index_o3
This is an old revision of the document!
European air quality index: sub-index O3 (based on pollutant concentrations in µg/m3)
 | good |
 | fair |
 | moderate |
 | poor |
 | very poor |
 | extremely poor |
 | no data |
en/legend/gisgr/european_air_quality_index_o3.1598534974.txt.gz · Last modified: 2025/09/25 13:37 (external edit)
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