The Google-created tool shows estimates of how much pollution is being created by vehicles and buildings in the heart of Silicon Valley.

The state will partner with the geospatial imagery company Planet Labs to build the satellite, which will monitor pollution from orbit, the governor said.

Speaking at a smart cities conference, Bill de Blasio and Rahm Emanuel said it's up to cities to fulfill responsibilities national governments have shirked.

City government is turning to the tech community to achieve a 20 percent electric vehicle adoption rate by 2025.