the importance of protecting one's health, illustrated through the image of a pm2.5 face mask

mask pm25 air pollution quality health protect safety breathing respiratory system environment environmental urban city living industrial smog chemicals particles toxins hazard hazards harmful protection shield barrier precaution care precautions conscious awareness prevention risk risks environmentally life importance protecting one39aph39s illustrated pm2 face signifying growing concern one#39aph39#s pm2 5