{"query_echo":{"q":"","filters":{"analysis_type":["database evaluation"]},"warnings":[{"code":"facet_value_not_in_vocabulary","message":"Value 'database evaluation' for facet 'analysis_type' is not in the controlled vocabulary."}]},"total":{"value":1,"relation":"eq"},"page":1,"page_size":20,"self":"https://climateinsightsdirectory.org/api/v1/search?analysis_type=database+evaluation","stability":"beta","ai_marking":{"digital_source_type":{"uri":"http://cv.iptc.org/newscodes/digitalsourcetype/trainedAlgorithmicMedia","name":"Created using Generative AI"},"notice":"Summary and key insights are generated using artificial intelligence."},"results":[{"id":"sei-001035","url":"https://climateinsightsdirectory.org/document/sei-001035","title":"Improving WHO urban air pollutant database","publisher":{"name":"Stockholm Environment Institute","organization":"stockholm-environment-institute"},"document_type":"research paper","language":"en","date_published":"2020-04-25","source_url":"https://www.sei.org/publications/improving-who-urban-air-pollutant-database/","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The paper evaluates the 2018 WHO global ambient air quality database, which contains PM10 and PM2.5 data for thousands of cities worldwide. It identifies challenges in comparing air pollution across different income levels and warns that the database has been used to draw inaccurate conclusions.","ai_generated":true,"unit":"sei-001035#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"The 2018 WHO global ambient air quality database contains PM10 monitoring data for 3,570 cities across 97 countries and PM2.5 data for 2,628 cities in 81 countries, utilizing measurements and estimates from public monitoring systems.","ai_generated":true,"unit":"sei-001035#insight-1","date_modified":"2026-10-23"},{"text":"Urban particulate matter pollution levels are relatively low in high-income countries in Oceania, the Americas, the Western Pacific, and Western Europe, while high levels persist in low- and middle-income countries in Latin America, Southeast Asia, and Africa, where staffing and funding shortages hinder pollution reduction.","ai_generated":true,"unit":"sei-001035#insight-2","date_modified":"2026-10-23"},{"text":"The database has been used by the media, organizations, and politicians to reach misleading and inaccurate conclusions when making comparisons between cities, a problem that also occurred with the 2016 version.","ai_generated":true,"unit":"sei-001035#insight-3","date_modified":"2026-10-23"}],"climate_tags":["air pollution","particulates","public health"],"geography_discussed":["Western Europe","Americas","Western Pacific","Oceania","Africa","Southeast Asia","Latin America"],"frame_perspective":[],"analysis_type":["database evaluation"]}]}