Dossier
Greater Philadelphia
Coverage of Greater Philadelphia in the Nexus archive.
- Hotter summer and fall days are extending ragweed allergy season in Greater Philadelphia, experts say
Ragweed allergy season is extending into late summer and early fall across areas including Greater Philadelphia, South Jersey, and Delaware. According to experts, increased temperatures and humidity linked to climate change are contributing to higher pollen counts, which means symptoms like itchy eyes and congestion may last longer this year and in the future.