Yan' an pollen concentration

758 capsules per thousand square millimeters. Pollen allergy is mainly caused by airborne pollen, including spring pollen and autumn pollen, and the pollen concentration in spring is higher than that in autumn. As of June 6 10, Yulin released the monitoring and forecast of pollen concentration, and the pollen concentration index in Yan' an area was 758 grains/thousand square millimeters, which was at a very high concentration level. People with allergies should minimize going out and take medicine on time.