Green Car Congress

MAY 12, 2020

Levels of two major air pollutants have been reduced significantly since lockdowns began in response to the COVID-19 pandemic, but a secondary pollutant—ground-level ozone—has increased in China, according to new research. For comparison, columns over the same time periods are shown for 2019. —Guy Brasseur.

Ozone 291

Ozone Pollution Global Iran 291

Green Car Congress

MARCH 1, 2019

and ozone deaths, associated mortality rates, and population in G20 economies in 2015. and ozone worldwide in 2010 and ~385,000 in 2015, equivalent to 11.7% and ozone premature deaths in 2010 and 11.4% and ozone concentrations from transportation emissions resulted in 7.8 Transportation-attributable PM 2.5

Ozone 230

Ozone 2015 2010 Exhaust 230

Green Car Congress

AUGUST 19, 2019

55% of land area) by the middle of the century, and would increase by 3% and 4% the population-weighted average concentrations of fine particulate matter (PM 2.5 ) and ozone, respectively. and ozone exposure, respectively. and ozone in 2050 by factors of 1 and 3, respectively. C) and ozone (D) exposure are shown.

Climate Change 277

Climate Change Climate Ozone Future 277

Green Car Congress

FEBRUARY 5, 2020

CO 2 and NO x certification test data for heavy-duty diesel engines certified from 2002 through 2019. Source of data: US EPA (2019). NO x is a precursor for both ground level ozone and secondary PM 2.5 Chart: MECA. —“Technology Feasibility for Heavy-Duty Diesel Trucks in Achieving 90% Lower NO x Standards in 2027”.

Emissions 291

Emissions Diesel Engine 2010 291

Green Car Congress

APRIL 11, 2019

The study, based on data from 2010 to 2015, estimates that 64% of these new cases of asthma occur in urban areas. NO 2 is just one component of air pollution, which is made up of many pollutants (including particulate matter, ozone, carbon monoxide), which are known to have numerous adverse effects on health.

Pollution 360

Pollution United Arab Emirates South Korea Las Vegas 360