Sai Wan Ho Health Impact
Sai Wan Ho averaged 14.4 ug/m3 PM2.5, equal to 2.9x 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
56
Rank 10 of 11 cities by average AQI
PM2.5
14.4
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
Sai Wan Ho
84
62
69
55
52
32
25
42
45
62
57
88
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Sai Wan Ho, 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.