Population in urban areas exposed to outdoor air pollution levels above WHO guideline values
This indicator is proposed as an indicator for Sustainable Development Target 03.9 By 2030, substantially reduce the number of deaths and illnesses from hazardous chemicals and air, water and soil pollution and contamination.
Administrative records; satellite data
WHO; data - 91 countries in global database; biannual updates planned; OECD also has geospatially-based measures for air pollution exposure with significant granularity at local level. It is rather straightforward to extend country coverage to a global level.
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