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Hong Kong Air Quality
Beijing Air Quality
CURRENT AIR QUALITY FOR HONG KONG
|* Air quality for the different regions in Hong Kong is based on the highest reading of any station within that region, as is the practice for many other countries in assigning an air quality index warning.
* Different countries assign different warning levels for different pollutants, which is why you will see a discrepancy between the warnings and colors listed above. The range of air quality rankings and colors is listed below.
|AIR QUALITY INDEXES