Saint Louis County Department of Health - Pollen and Mold Center http://pollenandmold.stlouisco.com/Default.aspx 2026-09-18T08:55:21-06:00 Wayne Wilhelm[email protected] Saturday Sunday 11 10 9 8 7 6 5 4 3 2 1 0 Mold Count: 26843 (High) http://pollenandmold.stlouisco.com/Default.aspx 2026-09-18T08:55:21-06:00 Air Quality for 9/18/2026: Orange