Beijing vs Shanghai AQI Comparison

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

Lower average AQI: Shanghai (28-pt gap)PM2.5: Beijing 43.1 ug/m3 · Shanghai 25.9 ug/m3

Source: OpenAQ local exports mapped to AQI Now cities; city summaries cover 2024-01-02–2024-12-31 and 2024-03-14–2024-12-31.

Compare two cities

City A

City B

Beijing vs Shanghai

Beijing

Beijing, China

111

PM2.5: 43.1 ug/m3
PM10: 48.8 ug/m3
Worst month: April
Trend: n/a

EPA category: Unhealthy for Sensitive Groups

Shanghai

Shanghai, China

PM2.5: 25.9 ug/m3
PM10: n/a ug/m3
Worst month: December
Trend: n/a

EPA category: Moderate

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

Yearly EPA AQI trend

Seasonal EPA AQI heatmap

JanFebMarAprMayJunJulAugSepOctNovDec

Beijing

111

118

129

136

113

111

109

133

123

Shanghai

101

122

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.