As multiple wildfires continue to burn across Los Angeles, millions of people are being exposed to hazardous levels of air pollution ... smoke inhalation are N95 respirator masks and KN95 ...

Northern India's winters are challenging, with high pollution and increased viral infections, including the rise of Human Metapneumovirus. To stay healthy, practice hand hygiene, wear N95 masks ...

Residents have been advised to remain indoors and to wear protective N95 respirator masks while outside. Yet air pollution-related complaints of brain fog, fatigue and general unwellness persist ...