Coronavirus Lockdowns May Raise Exposure to Indoor Air Pollution

Corona raise indoor air pollution

This spring, as the COVID-19 pandemic led people to hunker down at home, outdoor air quality improved dramatically in many cities and countries. In the northeastern U.S., for instance, air pollution dropped by 30 percent. But the lockdowns might be having the opposite effect indoors.

In March an Oslo-based manufacturer of smart air-quality monitors, noticed conditions beginning to deteriorate in many customers’ homes that it tracks. Between early March and early May, levels of carbon dioxide (CO2) and volatile organic compounds (VOCs) increased by 15-30% in more than 1,000 homes across several European countries.

Although federal regulations in the U.S. have spurred dramatic improvements in outdoor air quality, indoor air remains largely unregulated. Many pollutants are now more concentrated inside of our buildings than outside of them. “People think the outdoor air in cities is not that great, but usually the indoor air is worse.", says Yifang Zhu, an air pollution researcher at the University of California, Los Angeles.

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Insight in Air Quality | Air quality, health and environment: Coronavirus Lockdowns May Raise Exposure to Indoor Air Pollution
Coronavirus Lockdowns May Raise Exposure to Indoor Air Pollution
Insight in Air Quality | Air quality, health and environment
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