Green Car Congress

SEPTEMBER 15, 2021

San Bernardino, home to much of Southern California’s trucking and warehouse infrastructure, had 130 bad air days for ozone pollution in 2020. In the South Coast Air Basin, heavy duty vehicles such as trucks contribute 32% of mobile source nitrogen oxide emissions that react in the atmosphere to form ozone and particulate matter.

Los Angeles 186

Los Angeles Ozone Pollution Phoenix 186

Green Car Congress

APRIL 29, 2011

This year’s report finds that the majority of American cities most-polluted by ozone (smog) or year-round particle pollution (soot) have improved, showing continued progress in the cleanup of toxics under the requirements of the Clean Air Act. When ozone is inhaled, it irritates the lungs. 10 Most Ozone-Polluted Cities.

Los Angeles 220

Los Angeles Ozone Long Beach Fresno 220

Green Car Congress

AUGUST 11, 2016

In addition to ozone and particulate matter, the other pollutants are lead, carbon monoxide, nitrogen dioxide and sulfur dioxide. Phoenix (Mesa-Scottsdale), AZ: 283 lives saved, 598 fewer morbidities and 636,730 fewer impacted days. Pittsburgh, PA: 285 lives saved, 533 fewer morbidities and 281,858 fewer impacted days.

Pollution 150

Pollution Standards Ozone EPA 150