Saint Louis County Department of Health - Pollen and Mold Center http://www.stlouisco.com/HealthandWellness Pollen and Mold Center. Saint Louis County, Missouri: Aeroallergen Reports Saturday Sunday 11 10 9 8 7 6 5 4 3 2 1 0 Mold Count: 29402 (High) Tue, 26 May 2020 09:17:56 http://pollenandmold.stlouisco.com/Default.aspx http://pollenandmold.stlouisco.com/Default.aspx Air Quality for 5/26/2020: Green