🌋🌫️😷

#smog #haze #air quality warning #breathing hazard #face mask #health impact #volcanic pollution

🏭🤢☁️

#smog #pollution clouds #unnatural clouds #air quality warning #industrial smog

🌲🌲🔥💨🌲

#forest fire smoke #wildfire smoke #burning forest #large fire #air quality warning #smoke plume

🏜️🌬️😷

#desert storm #dust protection #face mask #air quality warning #sandstorm safety #health hazard

🟢🟡🟠🔴🟣

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