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Contact EPA Pacific Southwest

Pacific Southwest, Region 9

Serving: Arizona, California, Hawaii, Nevada, Pacific Islands, Tribal Nations

Air Program Features and Stories

Note: EPA no longer updates this information, but it may be useful as a reference or resource.

Forest fireProtect Yourself from Health Effects of Smoke EPA offers recommendations on how to protect your health from the effects of smoke.

Aerial view of the Nevada Power Company, Clark Station$60 Million Clean Air Act Settlement in Nevada Air quality in the Las Vegas are will be improved by reducing emissions of nitrogen oxides by 2,300 tons annually.

Air monitoring equipment aboard the NASA Study planeNASA and EPA Collaborate in the San Joaquin Valley Federal agencies bring advanced monitoring to the valley to assess particulate matter pollution and improve air quality.

Hydraulic Hybrid TrucksHydraulic Hybrid Vehicles -- EPA and the United Parcel Service (UPS) have developed a hydraulic hybrid delivery vehicle to explore and demonstrate the environmental benefits of the hydraulic hybrid for urban pick-up and delivery fleets.

Photo of Navajo Generating Station and the Four Corners Power PlantEPA proposes plans to limit emissions from two coal-fired power plants on the Navajo Reservation –– EPA is proposing Federal Implementation Plans under the Clean Air Act to regulate emissions from the Navajo Generating Station and the Four Corners Power Plant. The public comment period ends on Nov 6, 2006.

Photo of rush hour traffic Las Vegas area complies with federal carbon monoxide standard -- Clark County, Nev. is in compliance with the national 8-hour carbon monoxide standard, and there have been no exceedances of the standard since 1998.

Photo of Owens Valley from the airOwens Valley – By 1930, the once vibrant Owens Valley lake was a barren patch of earth. A recent collaboration will bring the valley's air quality up to national standards by next year.

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