Green Car Congress

JUNE 17, 2016

As California continues to reduce local sources of ozone, ozone entering the state from the Pacific makes up a larger fraction of measured ozone levels. An ozonesonde is a balloon which measures ozone from the surface to more than 10 kilometers above the ground.

San Jose 150

San Jose Ozone Universal Transportation 150

Green Car Congress

MARCH 17, 2020

They found that reductions in ground ozone during this 35-year period resulted in $600 million in increased production annually by the early 2010s. Davis and his colleagues chose to concentrate on perennials because of the long-term investment they represent and the fact that California is a major supplier of this type of produce.

Ozone 186

Ozone Davis San Diego Pollution 186

Green Car Congress

FEBRUARY 16, 2018

The results, published in an open-access paper in the journal Science , suggest that the focus of efforts to mitigate ozone formation and toxic chemical burdens need to be adjusted, the authors suggested. Even so, lotions, paints and other products contribute about as much to air pollution as does the transportation sector.

Pollution 264

Pollution Transportation Production Los Angeles 264

Green Car Congress

JULY 22, 2010

Illustration of projected ozone changes in the South Coast region due to climate change in 2050. Areas in orange and red could see ozone concentrations elevated by 9 to 18 parts per billion. Kleeman of UC Davis, lead author. Click to enlarge. We must consider climate change and air pollution together as we plan for the future.

Climate Change 199

Climate Change Ozone Climate California 199

Green Car Congress

JANUARY 21, 2014

Dust, ozone and carbon can accumulate in valleys and basins in California and other Western states. —Steve Davis, UC Irvine Earth system scientist and co-author. The product doesn’t contain the pollution, but creating it caused the pollution. Maximum daily percentage of sulfate pollution in US related to Chinese exports.

Pollution 318

Pollution Chinese Manufacturer Ozone 318

Green Car Congress

APRIL 7, 2015

The UC Davis/California Institute of Technology (UCD/CIT) Source Oriented Chemical Transport Model was used to output daily POA (primary organic aerosols) and SOA (secondary organic aerosols) at a 4x4 km resolution. and ozone in warm months, and with PM 2.5 , carbon monoxide, nitrogen dioxide and oxides of nitrogen in the cool season.

Pollution 150

Pollution California Davis Ozone 150