Air Quality Index, or AQI, and PM2.5, particulate matter which measures 2.5 micrometers or less, are not the same thing. But both do refer to how polluted the air is, just in different ways. AQI, an ...

Residential wood burning contributes substantially to winter PM2.5 pollution in the USA, linked to thousands of premature ...

Chronic exposure to pollution from wildfires has been linked to tens of thousands of deaths annually in the United States, ...

Aerosol components of PM2.5 particles more strongly linked with mental health disorders: Study ...