Pollen season is starting earlier and is becoming longer and more intense as a result of a changing climate.

More info: https://www.nytimes.com/2021/02/08/climate/climate-change-pollen-season.html?campaign_id=54&emc=edit_clim_20210210&instance_id=26968&nl=climate-fwd%3A&regi_id=66704053&segment_id=51378&te=1&user_id=97eb24ff9121d1a70f01fac05f86ea1b