Data quality is crucial for businesses to make accurate decisions. Poor data quality can lead to inaccurate analysis, incorrect decisions, and increased security risks. Common data quality issues include incomplete, duplicate, expired, irrelevant, and inaccurate data. To maintain high-quality data, organizations should implement a comprehensive data governance program that includes data quality standards, measurement, and assurance. Data observability tools can help monitor the state and quality of data in real time, enabling businesses to proactively identify potential issues and ensure their data remains accurate, consistent, and reliable.