Central District AQI Trends
Central District AQI was measured across 2023-2024, with a trend delta of n/a AQI points. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Hong Kong, Hong Kong.
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Average EPA AQI
57
Rank 8 of 11 cities by average AQI
PM2.5
13.9
ug/m3 annualized city average
Seasonality
December
Cleanest: July
Health indicator
0.6
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Central District
72
51
57
53
52
54
38
52
51
63
61
82
What this trends page measures
Compare yearly air-quality direction, best years, worst years, and trend deltas.
For Central District, the current global analytics build covers 363 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.