EnvironmentTop California Air Official Backs New EPA Ozone LimitOctober 2, 2015 | Ben BradfordOne of California's top air quality regulators endorses a new federal smog standard, which has angered environmental groups. Listen /Update RequiredTo play audio, update browser or Flash plugin.
EnvironmentBackground Ozone Problem For Northern California And NevadaSeptember 29, 2015 | Amy Quinton"Background" ozone pollution levels in Northern California and Nevada could approach the limit of a proposed new federal air quality standard. Listen /Update RequiredTo play audio, update browser or Flash plugin.
EnvironmentSan Joaquin Valley Hits Air Quality MilestoneAugust 5, 2015 | Ed JoyceThe San Joaquin Valley enjoyed three weeks of healthy air in July for the first time in 20 years. Listen /Update RequiredTo play audio, update browser or Flash plugin.
