Pollution may increase the threat of pneumonia and lead to other respiratory issues. Some places in world witness air pollution on high alert. Breathing the polluted air and especially the winter smog along with air makes it unbreathable. The contaminated air levels outside are dreadful and now indoor air is getting impure which may lead to severe respiratory problems including inf... https://www.coherentmarketinsights.com/news/air-pollution-may-lead-to-pneumonia-590