{"term":{"id":"00195","title":"air pollution","longtitle":"IUPAC Gold Book - air pollution","doi":"10.1351\/goldbook.A00195","code":"A00195","status":"current","definitions":[{"id":1,"text":"Usually the presence of substances in the atmosphere, resulting either from human activity or natural processes, present in sufficient concentration, for a sufficient time and under circumstances such as to interfere with comfort, health or welfare of persons or the environment.","sources":["PAC, 1990, 62, 2167. 'Glossary of atmospheric chemistry terms (Recommendations 1990)' on page 2172 (https:\/\/doi.org\/10.1351\/pac199062112167)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/A00195\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/A00195\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/A00195\/plain"},"citation":"Citation: 'air pollution' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351\/goldbook.A00195","license":"The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https:\/\/creativecommons.org\/licenses\/by-sa\/4.0\/) for individual terms.","collection":"If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org .","disclaimer":"The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.","accessed":"2026-06-29T00:41:41+00:00"}}