November is a month that typically has low levels of pollen. We still see some ragweed and other weed pollen in the air, especially when the winds are from the south. On some days, we also see Juniperus (cedar) pollen in our air samples. This is from Juniperus pinchotii (red-berry juniper) trees in the southwest Oklahoma and west Texas. These trees produce pollen from September through November and the pollen is allergenic. Southwest winds carry the pollen to Tulsa. Fungal spore levels can also be a problem this month for people allergic to spores.Â