Allergy season is starting earlier. Here are tips for dealing with spring pollen and allergy symptoms.

Spring allergy sufferers are dealing with symptoms even sooner than usual.

Despite it being only early March, several regions of the United States are experiencing springtime conditions three to four weeks earlier than usual, according to the USA National Phenology Network, which tracks climate and seasonal changes and data.

And this year isn't an outlier, researchers predict, pointing to climate change as responsible for worsening allergy season.