# The air quality index trend forecasting based on improved error correction model and data preprocessing for 17 port cities in China

> Research article (Chemosphere, 2020) · cited 39× · AI/ML

**Wikidata**: [openalex:W3012117372](https://www.wikidata.org/wiki/openalex:W3012117372)  
**Source**: https://4ort.xyz/entity/the-air-quality-index-trend-forecasting-based-on-improved-error-correction-model-and-data-preprocessing-for-17-port-citi