Breezometer

DECEMBER 7, 2021

Our ozone layer serves as a lifesaving UV barrier for planet earth, functioning to absorb most of the sun’s ultraviolet radiation. As ozone requires the presence of solar radiation, levels are likely to be highest on dry, sunny days - if there’s little sun, ozone can’t form. Good Ozone’: Our Essential Sun Shield.

Ozone 98

Ozone Ground-Level Ozone Radiation Nitrogen Oxides 98

Union of Concerned Scientists

SEPTEMBER 26, 2024

Examples are benzene, hydrofluoric acid, particulate matter, sulfur dioxide, nitrogen oxides, and many, many other toxic pollutants. Many pollutants cause cancer, pulmonary and heart diseases, neurological, reproductive, developmental, and immunological damage, and more. Refining uses many risky industrial processes.

Ground-Level Ozone 287

Ground-Level Ozone Fossil Fuels Ozone Air Pollution 287

Union of Concerned Scientists

MAY 21, 2025

referred to as secondary emissions – is formed in the atmosphere from precursor pollutants that also originate from the combustion in fossil-fuel powered engines, such as nitrogen oxides (NO x ), sulfur dioxide (SO 2 ) and volatile organic compounds (VOCs). But beyond this primary formation of PM 2.5 , even more PM 2.5

Ozone 141

Ozone Ground-Level Ozone Air Pollution Clean Air Act 141