This study, conducted by researchers at the University of Leicester, found that "long-term exposure to current levels of UK air pollution is associated with an annual increase of up to 22 minutes of sedentary time each day." These findings align with a comprehensive review published by the NIH, which demonstrated that air pollution consistently discourages physical activity and that media alerts about poor air quality prompted 16-31% of adults to change their outdoor activity patterns.
However, characterizing this behavioral response as people being "lazy" is both misleading and inaccurate. The research indicates that people are responding rationally to environmental health threats by reducing outdoor activity, a response that represents prudent risk avoidance rather than laziness.