AQI between zero and 50 is considered “good” Tagged: Climate change This topic has 0 replies, 1 voice, and was last updated 3 weeks, 1 day ago by advtanmoy. Viewing 0 reply threads Author Posts 11/11/2023 at 21:47 #237901 advtanmoyKeymaster Air Quality Index AQI between zero and 50 is considered “good”, 51 and 100 “satisfactory”, 101 and 200 “moderate”, 201 and 300 “poor”, 301 and 400 “very poor”, 401 and 450 “severe” and above 450 “severe plus”. Author Posts Viewing 0 reply threads You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Prove your humanity 2 + 10 = Log In