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US AQI U.S. Air Quality Index (AQI)
Calculates concentrations of monitored air pollutants from 0 (“good”) to 300+ (“hazardous”). Based on Environmental Protection Agency (EPA) AQI standard. Learn more
PM2.5 PM2.5
Particulate matter less than 2.5 microns in diameter, including combustion particles. Can be breathed into the lungs and penetrate into the bloodstream, causing long-term health effects. Learn more – PM10 PM10
Particulate matter less than 10 microns in diameter, such as dust, pollen, and mold. Causes short-term airway irritation upon exposure. Learn more – Wind Wind & air pollution
Wind and weather often dictate concentrations and movement of airborne pollutants. Can disperse pollutants but also blow them many miles away from their source. Learn more
2D – 3D