AI-generated Key Takeaways
- 
          The JSON object defines a relationship between a country/region and a specific Air Quality Index (AQI). 
- 
          It uses regionCode(ISO 3166-1 alpha-2 code) to identify the country/region andaqito specify the desired AQI.
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          This ensures air quality data for that country/region is displayed using the chosen AQI. 
Expresses a 'country/region to AQI' relationship. Pairs a country/region with a desired AQI so that air quality data that is required for that country/region will be displayed according to the chosen AQI.
| JSON representation | 
|---|
| { "regionCode": string, "aqi": string } | 
| Fields | |
|---|---|
| regionCode | 
 The country/region requiring the custom AQI. Value should be provided using ISO 3166-1 alpha-2 code. | 
| aqi | 
 The AQI to associate the country/region with. Value should be a valid index code. |