Lockdowns’ Benefits for Air Quality Weren’t as Big as Thought: Study
WEDNESDAY, Jan. 13, 2021 (HealthDay News) — Two types of air pollution declined in cities around the world during initial COVID-19 lockdowns, but one type increased, a new study finds. Researchers assessed changes in levels of nitrogen dioxide, ozone and fine particulate (PM2.5) air pollution during lockdowns in 11 cities:Continue Reading