Tin Shui Wai Seasonal Pollution
Tin Shui Wai usually records its highest OpenAQ-derived EPA AQI in December and its cleanest month in July. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Hong Kong, Hong Kong.
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Average EPA AQI
67
Rank 2 of 11 cities by average AQI
PM2.5
18.5
ug/m3 annualized city average
Seasonality
December
Cleanest: July
Health indicator
0.8
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Tin Shui Wai
89
72
74
63
58
43
37
56
59
72
74
106
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Tin Shui Wai, the current global analytics build covers 365 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.