Sentences with phrase «longer ragweed pollen season»
«Higher ragweed pollen concentrations and a longer ragweed pollen season may also increase the severity of symptoms,» he added.
https://www.sciencedaily.com/ Not exact matches
Rising temperatures mean longer and more intense seasons for ragweed and tree pollen, leading to more runny noses and watery eyes.
In contrast, southern locations showed little climate effect and had no significant change in the ragweed pollen season, which is already three months long.