NOx, or nitrogen oxides, are a group of gases that are produced when fuel sources are combusted. This video is part of the Energy Explained series by SoCalGas RD&D, where we break down the essential (and sometimes confusing) vocabulary shaping California’s clean energy future. Explore the full series and our climate work at: https://bit.ly/3GJdRZW | SoCalGas

⚠️ JANUARY 2026 CHEMICAL OF THE MONTH: NITROGEN OXIDES (NOx) ⚠️ Nitrogen Oxides, or NOx, are air pollutants that mainly come from cars, trucks, ships, and industrial facilities. These gases contribute to smog and poor air quality. Exposure to high levels of NOx can irritate the lungs, worsen asthma, and lead to long-term respiratory problems. NOx pollution is a significant concern in areas like Cancer Alley, particularly near ports and heavy industrial activity. Learn more about NOx from The Com