Kwai Chung Health Impact
Kwai Chung averaged 15.2 ug/m3 PM2.5, equal to 3.0x the WHO annual PM2.5 guideline and about 0.7 cigarettes per day by the simple AQI Now indicator. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Hong Kong, Hong Kong.
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Average EPA AQI
60
Rank 7 of 11 cities by average AQI
PM2.5
15.2
ug/m3 annualized city average
Seasonality
December
Cleanest: July
Health indicator
0.7
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Kwai Chung
73
60
67
60
55
43
34
56
53
65
62
93
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Kwai Chung, the current global analytics build covers 364 daily rows from 2023-12-31 to 2024-12-31. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.