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en:legend:gisgr:european_air_quality_index_no2
European air quality index: sub-index NO2 (based on pollutant concentrations in µg/m3)
 | good |
 | fair |
 | moderate |
 | poor |
 | very poor |
 | extremely poor |
 | no data |
en/legend/gisgr/european_air_quality_index_no2.txt · Last modified: 2020/08/27 13:22 by heth
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