2025-04-25 00:00:00 The YourAirTest app is designed for a healthy future for people to help reduce the impact of poor air quality on human health. With the help of machine learning YourAirTest provides the most accurate data on 6 Key Pollutants: particulate matter PM2.5 and PM10, O3 (ozone), NO2 (nitrogen dioxide), SO₂ (sulfur dioxide), and CO (carbon monoxide). With YourAirTest you can: • Find out what pollutants you breathe by tracking the local air quality index and separately for each pollutant (available in 100 countries).