Elevated pollen levels in Anchorage and across Alaska raise questions about changes in respiratory health and the importance of having good air quality during the coronavirus pandemic.
Unusually high levels of seasonal pollen create a visible sheen on water.
Seeing pollen in rainwater is unusual.
Warm temperatures are causing birch buds to burst, sending large amounts of pollen in the air. In Chuathbaluk, there was so much pollen, it was visible as a tornado.
Ocean water may be tinted yellow from pollen.
After a cold winter and spring, high temperatures around the Interior prompted birch tree buds to burst, sending record-setting levels of pollen into the air.