Meet Kelly Liu, 16, whose AI pollution project helped change county policy
16-year-old student Kelly Liu developed an AI-driven air quality mapping project to identify pollution hotspots in San Jose that official monitoring stations missed. Her community-led research successfully influenced local county policy regarding environmental health and school safety.
Why it matters
This demonstrates how low-cost technology and student-led grassroots activism can bridge data gaps in environmental monitoring and drive tangible policy changes.
When Kelly Liu looked at air pollution data around San Jose, she noticed something important was missing. Official monitoring stations could show broad regional trends, but they did not always reveal what students were breathing beside busy roads, industrial areas or older school buildings. The 16-year-old student decided to fill that gap by combining artificial intelligence, low-cost pollution sensors and community organising. Her work mapped local air quality, brought monitoring devices to underserved schools and helped build pressure for stronger countywide action. As described by Action for Nature and reported by Hoodline, Kelly’s project grew from a technical experiment into a public campaign, showing how student-led research can make environmental inequality visible and influence policy. Her story is not just about measuring dirty air.
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