Guangzhou vs Shenyang AQI Comparison

Side-by-side OpenAQ-derived air quality comparison for Guangzhou and Shenyang. Values use mapped daily PM2.5 and PM10 observations normalized to US EPA AQI.

Lower average AQI: Guangzhou (30-pt gap)PM2.5: Guangzhou 24.9 ug/m3 · Shenyang 44.3 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

Guangzhou vs Shenyang

Guangzhou

Guangdong, China

PM2.5: 24.9 ug/m3
PM10: n/a ug/m3
Worst month: December
Trend: n/a

EPA category: Moderate

Shenyang

Liaoning, China

111

PM2.5: 44.3 ug/m3
PM10: n/a ug/m3
Worst month: February
Trend: n/a

EPA category: Unhealthy for Sensitive Groups

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

Yearly EPA AQI trend

Seasonal EPA AQI heatmap

JanFebMarAprMayJunJulAugSepOctNovDec

Guangzhou

112

121

Shenyang

126

146

116

122

139

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.