Working from home (WFH) in Delhi offers limited protection against toxic air unless specific indoor conditions are met. While WFH reduces exposure from commuting, indoor air pollution often accumulates, as much of it originates from outside. This is because Delhi's air pollution is largely composed of secondary particulate matter, which forms in the atmosphere and is not confined outdoors. The article emphasizes that simply staying indoors does not eliminate pollution exposure, highlighting the need for a deeper understanding of indoor air quality management.