1. Our air is cleaner,but challenges remain1/24/2013

2. Air quality improving even as economy growsSource: U.S. Environmental Protection Agency 1/24/2013 2 3. National levels of six common pollutants Source: U.S. Environmental Protection Agency 1/24/2013 3 4. Improvements in air quality: 1980-20101980 vs. 2010 Sulfur Dioxide (SO2) (24-hr) PM2.5 (24-hr)PM2.5 (annual) PM10 (24-hr) Nitrogen Dioxide (NO2) (annual) Lead (Pb) Ozone (O3) (8-hr) Carbon Monoxide (CO) -100% -90%-80%-70%-60%-50% -40%-30% -20%-10% 0%2000 vs. 2010 Sulfur Dioxide (SO2) (24-hr)PM2.5 (24-hr) PM2.5 (annual) PM10 (24-hr)Nitrogen Dioxide (NO2) (annual) Lead (Pb)Ozone (O3) (8-hr)Carbon Monoxide (CO) -70% -60%-50% -40% -30% -20% -10% 0%Source: U.S. Environmental Protection Agency1/24/20134 5. Trends in emissions sources1980 vs. 2010Sulfur Dioxide (SO2) Direct PM2.5Direct PM10 Volatile Organic Compounds (VOC) Nitrogen Oxides (NOx)Lead (Pb) Carbon Monoxide (CO)-120.0% -100.0% -80.0% -60.0% -40.0% -20.0% 0.0% 2000 vs. 2010Sulfur Dioxide (SO2) Direct PM2.5Direct PM10 Volatile Organic Compounds (VOC) Nitrogen Oxides (NOx)Lead (Pb) Carbon Monoxide (CO)-60.0%-50.0%-40.0%-30.0%-20.0% -10.0% 0.0%Source: U.S. Environmental Protection Agency 1/24/2013 5 6. But millions still exposed to unhealthy airSource: U.S. Environmental Protection Agency 1/24/2013 6 7. Cancer risk associated with toxic air pollutantsSource: U.S. Environmental Protection Agency 1/24/2013 7 8. Number of bad air days 2002-2010Source: U.S. Environmental Protection Agency 1/24/2013 8 9. PM 2.5 emissions: 2008Fuel combustion Mobile sourcesDust FireAll other sourecesCircle sizes show statesrelative emissions Source: U.S. Environmental Protection Agency 1/24/2013 9 10. NOx emissions: 2008Fuel Combustion Mobile sources FireAll other sources Circle sizes show states relative emissionsSource: U.S. Environmental Protection Agency 1/24/2013 10 11. SO2 emissions: 2008Fuel combustion Mobile sourcesFire Industrial ProcessesCircle sizes show statesrelative emissions Source: U.S. Environmental Protection Agency1/24/2013 11 12. VOC emissions:VOC Emissions 20082008Fuel combustion Mobile sourcesAgricultureFire Industrial Processes Solvents Circle sizes show states relative emissionsSource: U.S. Environmental Protection Agency 1/24/2013 12 13. Carbon Monoxide Emissions 2008CO emissions: 2008 Fuel combustionMobile sources All other sources Circle sizes show states relative emissionsSource: U.S. Environmental Protection Agency 1/24/2013 13 14. Download more slides and other librariesecowest.org 1/24/2013 14