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Objective To measure the QOL in patients with AECOPD and the frequency of potential risk factors, and to evaluate the association of risk factors with poor QOL in patients with AECOPD. Methods A study sample of 196 patients with moderate to severe COPD admitted for acute exacerbations to two large general hospitals were studied. The St George QOL (SGQOL) scale, socio-demographic, clinical and patient care characteristics, including depression and spirometry were ascertained in the stable state before discharge and at one-month post discharge. Results There was a high prevalence of current or ex-heavy smokers, depression and consumption of psychotropic drugs, and low prevalence of care giver support, pulmonary rehabilitation and vaccination. The mean scores for the different domains were 55.9 for Symptoms; 65.1 for Activity; 32.9 for Impact; and the mean of overall Total scores was 46.5. Multiple regression analysis showed that CMH, male, depression, previous frequent hospital readmissions and poor therapy compliance were independently related to worse Symptoms Scores. Previous frequent readmissions, depression, severe dyspnea and older age (>72 years) were related to worse Activity Scores of SGQOL. Depression, previous frequent readmissions, severe dyspnea, long COPD duration(≥5years) and severe smoking were related to worse Impact Scores of SGQOL. Depression, previous frequent readmissions, severe dyspnea and long COPD duration(≥5years) were independently related to worse Total Scores of SGQOL.Conclusion Poor QOL in patients with COPD exacerbation was associated with disease severity, psychosocial and health care factors which are modifiable.