This bar chart shows the percentage of Global Warming's Six Americas that say allergy season in their area either has become more or less severe or stayed about the same in the past few years. Americans are more likely to say that allergy season in their area is getting worse rather than better regardless of their opinions about global warming. Data: Climate Change in the American Mind, December 2020, March 2021, and September 2021. Refer to the data tables in the Methods section in the Climate Note for all percentages.