Air Quality

CalMatters is dedicated to explaining how state government impacts our lives. Your support helps us produce journalism that makes a difference. Donate now. It’s full speed ahead for zero-emission cars in California. The Golden State got the green light Wednesday to proceed with its nation-leading clean car program after the U.S. Environmental Protection Agency reinstated a waiver […]

A look at one polluted region — the LA/Long Beach port communities — targeted for clean-air priority under California’s environmental justice law.

California's environmental justice law is supposed to clean the air for 15 hot spot communities, home to almost 4 million people. But after more than 4 years and $1 billion, it’s still impossible to say whether it's worked.

A landmark California environmental justice law was supposed to clean the air in 15 key communities, but it's hard to say if it's worked.

We should not overlook the changes we can make to improve air quality immediately while working toward using alternative fuels to displace diesel and gasoline.

AB 1087 charts a new course for climate resilience that makes investments in communities so they can be prepared for disasters.

Gov. Newsom must step in and get the California Public Utility Commission back on track to achieve clean energy targets.

Researchers calculated that California’s rules reduced diesel exhaust by 78% compared to 51% for federal rules, leading to fewer deaths from heart attacks and lung disease.

Valley residents have waited more than a decade for the end of burns at vineyards and groves that spew smoke. Several board members pushed for quicker action, but the board voted to grant four more years.

California’s air board will vote this week on stopping burns that spew plumes of smoke that can trigger asthma attacks. The move is long in coming — it was supposed to end a decade ago under state law.