An Unexpected Consequence of COVID

The pandemic led to improved outdoor air quality due to reduced traffic and industrial activity. However, indoor air quality worsened as people spent more time at home, cooking more and using cleaning products that release harmful pollutants. The increased awareness of indoor air pollution risks may drive changes in habits and living environments to improve health.

What was one of the surprising effects of the pandemic on outdoor air quality?

• More industrial emissions

• Higher levels of particulate matter

• Improved air quality due to reduced traffic

• Increased levels of nitrogen dioxide

Why did indoor air pollution become a concern during the pandemic?

• People spent more time outdoors

• Cooking and cleaning increased, releasing harmful pollutants

• Factories increased emissions

• Traffic congestion worsened

How can cooking during the pandemic affect indoor air quality?

• It has no effect on air quality

• It releases dangerous gases and particles

• It purifies the air

• It reduces the concentration of pollutants

What is a potential consequence of using multiple cleaning products indoors?

• They improve air quality

• They can create harmful pollutants

• They neutralize each other

• They have no effect on air quality

What change might the pandemic inspire regarding indoor air quality?

• More time spent indoors

• Less focus on air quality

• More awareness and changes in living habits

• Increased use of industrial chemicals