AQI (AIR QUALITY INDEX)
создатель HERNANDO AMAYA PLATA
1. for reporting daily
1.1. 24 hours
2. It tells
2.1. clean
2.2. clean or polluted
2.3. associated health effects
3. EPA calculates
3.1. five major air pollutants
3.1.1. ground-level ozone
3.1.2. particle pollution (also known as particulate matter)
3.1.3. carbon monoxide
3.1.4. sulfur dioxide
3.1.5. nitrogen dioxide