The increasing frequency and severity of wildfires, exacerbated by climate change, pose significant threats to communities, ecosystems, and the economy. Events like the January 2025 Southern California wildfires have led to substantial evacuations and economic losses.

Glendora's proximity to the San Gabriel Mountains and prevailing climatic conditions heighten its vulnerability to wildfires. The city has conducted climate vulnerability assessments to better understand and mitigate these risks.

The combination of dry vegetation and high winds places Monrovia within critical fire risk areas, necessitating preparedness and response strategies.