Air pollution masks are crucial for pollution protection. But most masks do very little. Learn to tell between a mask that works and one that doesn't.
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Nitrogen dioxide (NO2) is one of the six main measured air pollutants. Notably, it is a major contributor to the formation of smog and a precursor to many harmful secondary pollutants including ozone and particulate matter.
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Sulfur dioxide is a highly reactive gas that reacts to form harmful compounds like sulfuric acid, sulfurous acid, and sulfate particles. Learn more.
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AirVisual uses deep machine learning, artificial intelligence, big data, and cloud computing to map complex, nonlinear air pollution trends. Learn more.
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Air Visual finds that “Parade Blue” was two times cleaner in terms of PM2.5 than any other two-week period ever, including the 2008 Olympics. Learn more.
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