🏭💨📊

#air quality index #smog #industrial emission #aqi scale #air measure #factory pollution

🟢🟡🟠🔴📈

#air quality index #aqi scale #pollution levels #air monitoring #air quality report #unhealthy air levels

🟢👍<->🔴😷

#aqi scale #good air quality #bad air quality #air pollution levels #health advisory #safe air #unhealthy air

🟢🟡🟠🔴🟣

#AQI colors #aqi scale #air quality levels #pollution index #health categories #epa scale #air quality warning