Air Programs
EPA Region 9's Air Division manages, implements, and enforces programs covering indoor and
outdoor air quality, radiation, control of air pollution from stationary and mobile sources, stratospheric ozone protection,
and other areas. The foundation for most of these programs is the federal Clean Air Act, which became law in 1970 and was
most recently amended in 1990. Information on national air quality programs can be found by visiting the Web site of EPA's
Office of Air and Radiation.
Current Air Quality and Air Quality Forecasts EPA's AIRNOW website has
current air quality observations and forecasted conditions.
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Recent Air Quality Actions by State
Arizona
Arizona's
Cleaner Burning Gasoline program
Arizona's
Vehicle Emission Inspection (VEI) Programs
Proposed changes would affect Arizona's Basic VEI program in Tucson, and
the Enhanced VEI program in Phoenix (August 2002)
The
Mohave Generating Station and Grand Canyon Visibility
Updated with final rule on revised plan (February 2002)
Phoenix
Carbon Monoxide Actions
Proposed Redesignation to Attainment (9/04), and previous actions
Particulate Matter in Phoenix
With Approval of State Plan (1/02), and previous actions
Ground-Level Ozone Actions
Finding of Attainment (5/01), and previous actions
Other Communities in Arizona
Sulfur Dioxide in Ajo, AZ
Sulfur Dioxide in Morenci, AZ
California
Title V Air Permits in California:
includes EPA’s final rule that returned the operating
permits program to 34 California districts, Settlement
Agreement between EPA and California citizen and
environmental groups, and EPA's final rule to partially
withdraw approval of California's operating permits program.
California New Source Review: Call
for Revision to State Law to remove exemption for major agricultural
stationary sources (June 26, 2003)
Baja
Air Quality Plans in Baja,
California: with Program to Improve Air Quality in Tijuana-Rosarita
2002-2005 and Program to Improve Air Quality in Mexicali 2002-2005
Imperial Valley
Imperial County PM-10 actions
Includes proposed and final rules signed on August 3, 2004, and previous actions.
San Francisco Bay Area
San Francisco Bay Area
Ozone actions: with Finding that the San Francisco Bay Area has attained the 1-hour Ozone Standard, Approval of Elements of the 2001 Ozone Attainment Plan, and Interim Final Determination to Stay and Defer the Imposition of Offset and Highway Sanctions (April 2004)
San Francisco Bay Area refinery Title V Major Facility Review Permits
Settlement Agreement with
Communities for a Better Environment and Our Children’s
Earth Foundation regarding EPA's approval of the Bay
Area Air Quality Management District's Title
V Program (January 2003)
San Joaquin Valley
San Joaquin Valley Particulate Matter (PM-10)
Pollution
San Joaquin Valley New Source Review
Rules
San Joaquin Valley Ozone
South Coast
EPA's Evaluation of the Regional Clean Air Incentives
Market (RECLAIM) Program in the South Coast Air Quality Management District -- Includes evaluation summary and the full report
Final Approval of South Coast Ozone Plan
Revision
Nevada
Eight-Hour Ozone Designation in Las Vegas (Clark County), Nevada
Carbon
Monoxide Pollution in Las Vegas (Clark County), Nevada
Particulate
Matter Pollution in Las Vegas (Clark County), Nevada: with EPA's final approval of the PM-10 plan
The
Mohave Generating Station and Grand Canyon Visibility
Includes final rule on revised plan (February, 2002)
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