Blades of grass are covered in tiny "hairs" (called trichomes), which you can view under a microscope ... the grass pollen in the air. Symptoms include runny or a stuffy nose, itchy nose and ...

and later examine the pollen grains under a microscope to 'count' the pollen. Grass and Weed levels are in the 'low' range on Friday. Mold levels are in the 'Moderate' range. No, not really.