As per official statistics, 20 monitoring stations throughout the city detected AQI levels hitting the highest 500 mark by Monday evening. Furthermore, due to the GRAP Stage 4 restrictions ...
The index ranges from 0 to 500 and uses a color coded system: As of Monday evening, the AQI was between 30 and 60 throughout L.A. County — in the “good” or “moderate” range — according ...
AQI uses a scale from 0 to 500, with readings below 50 considered "Good" and above 300 classified as "Hazardous," signaling emergency conditions where health risks are elevated for everyone.