# Changes in NOx and O3 concentrations over a decade at a central urban area of Seoul, Korea

> Research article (Atmospheric Environment, 2015) · cited 40× · AI/ML

**Wikidata**: [openalex:W2089960645](https://www.wikidata.org/wiki/openalex:W2089960645)  
**Source**: https://4ort.xyz/entity/changes-in-nox-and-o3-concentrations-over-a-decade-at-a-central-urban-area-of-seoul-korea