Central District vs Wan Tau Tong AQI Comparison

Side-by-side OpenAQ-derived air quality comparison for Central District and Wan Tau Tong. Values use mapped daily PM2.5 and PM10 observations normalized to US EPA AQI.

Lower average AQI: Central District (4-pt gap)PM2.5: Central District 13.9 ug/m3 · Wan Tau Tong 15.9 ug/m3

Source: OpenAQ local exports mapped to AQI Now cities; city summaries cover 2023-12-31–2024-12-31 and 2023-12-31–2024-12-31.

Compare two cities

City A

City B

Central District vs Wan Tau Tong

Central District

Hong Kong, Hong Kong

PM2.5: 13.9 ug/m3
PM10: 25.2 ug/m3
Worst month: December
Trend: n/a

EPA category: Moderate

Wan Tau Tong

Hong Kong, Hong Kong

PM2.5: 15.9 ug/m3
PM10: 24.3 ug/m3
Worst month: December
Trend: n/a

EPA category: Moderate

Lower average AQI in this selected period: Central District. Values are historical OpenAQ-derived city summaries, not live readings.

Yearly EPA AQI trend

Seasonal EPA AQI heatmap

JanFebMarAprMayJunJulAugSepOctNovDec

Central District

Wan Tau Tong

What this comparison measures

Average EPA AQI — city-level daily AQI values averaged across the OpenAQ coverage window.
PM2.5 and PM10 — mapped monitor concentrations aggregated to daily city averages.
Seasonality — worst and cleanest months from the monthly city rollups.
Trend — difference between the earliest and latest yearly AQI average in this build.