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Source
Release date
August 2025
Region
China
Survey time period
January 2022 to August 2025
Supplementary notes
Air quality index:
0-50: Good
51-100: Moderate
101-150: Unhealthy for sensitive groups
151-200: Unhealthy
201-300: Very unhealthy
301-500: Hazardous
>500: Beyond index
The source did not provide a publication date. The date used here is the access date.
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