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Option 1 : 301-500
Air Quality Index is a measure to determine how polluted the air currently is or how polluted it is forecasted to become in the near future. The index of air quality is as follows:
|
AQI Index Value |
Indication |
|
0 to 50 |
Good |
|
51 to 100 |
Moderate |
|
101 to 150 |
Unhealthy for Sensitive Groups |
|
151 to 200 |
Unhealthy |
|
201 to 300 |
Very Unhealthy |
|
301 to 500 |
Hazardous |
|
More than 500 |
Emergency |
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