{"query_echo":{"q":"","filters":{"climate_tags":["pollution standards"]},"warnings":[{"code":"facet_value_not_in_vocabulary","message":"Value 'pollution standards' for facet 'climate_tags' is not in the controlled vocabulary."}]},"total":{"value":1,"relation":"eq"},"page":1,"page_size":20,"self":"https://climateinsightsdirectory.org/api/v1/search?climate_tags=pollution+standards","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":"cer-000189","url":"https://climateinsightsdirectory.org/document/cer-000189","title":"2014-05-30-fa38-national-ambient-air-quality-standards-24-12-2009-e2bbb5e911c72e6a.pdf","publisher":{"name":"Centre for Environmental Rights","organization":"centre-for-environmental-rights"},"document_type":"statement","language":"en","date_published":null,"source_url":"https://cer.org.za/wp-content/uploads/2014/06/2014-05-30-FA38-National-Ambient-Air-Quality-Standards-24-12-2009.pdf?x21779","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","analysis_type"],"summary":{"text":"This government notice, published in the Government Gazette on 24 December 2009, establishes the national ambient air quality standards for South Africa under the National Environmental Management: Air Quality Act, 2004.","ai_generated":true,"unit":"cer-000189#summary","date_modified":"2026-08-17"},"key_insights":[{"text":"The Minister of Water and Environmental Affairs established national ambient air quality standards in accordance with section 9(1) of the National Environmental Management: Air Quality Act, 2004.","ai_generated":true,"unit":"cer-000189#insight-1","date_modified":"2026-08-17"},{"text":"The standards define specific technical terms for monitoring, including 'averaging period', 'compliance date', 'frequency of exceedence', and 'limit value', the latter of which is a level based on scientific knowledge to reduce harmful effects on human health or the environment.","ai_generated":true,"unit":"cer-000189#insight-2","date_modified":"2026-08-17"},{"text":"Reference conditions for concentrations are set at a pressure of 101.3 kPa and a standardised temperature of 25 °C.","ai_generated":true,"unit":"cer-000189#insight-3","date_modified":"2026-08-17"},{"text":"The document specifies reference methods for various pollutants: ISO 7996 for nitrogen dioxide, EN 12341 for the matter fraction of suspended particulate matter, the UV photometric method as described in SANS 13964 for ozone, and ISO 4224 for Carbon Monoxide.","ai_generated":true,"unit":"cer-000189#insight-4","date_modified":"2026-08-17"},{"text":"Ambient air quality measurement assessments must be conducted according to section 5.2.1.3 of the National Framework for Air Quality Management in the Republic of South Africa.","ai_generated":true,"unit":"cer-000189#insight-5","date_modified":"2026-08-17"}],"climate_tags":["air quality","environmental regulation","pollution standards"],"geography_discussed":[],"frame_perspective":[],"analysis_type":["Regulatory Framework"]}]}