The fire that erupted Thursday night at the Chevron oil refinery in El Segundo is out after burning for over nine hours. But now many people have concerns about safety, air quality and how this could impact the price of fuel. Impact on air qualityThe air quality improved overnight and by Friday afternoon, it had a "good" rating by airnow.gov. Impact on gas pricesA broader concern for the entire SoCal region: gas prices. So we can expect to have ticket prices increase very soon," said Rothman.