Cities in South Carolina, North Carolina, Texas and California will have poor air quality that is dangerous for some people.

This story is part of the KXAN Data Hub, where numbers help tell the whole story. We’ve created several data-driven stories and databases on topics including weather and climate, politics ...

Building multifamily housing in California is more than twice as expensive as it is in Texas, with much of the difference driven by state and local policies that contribute to long permitting and ...