Guangzhou Seasonal Pollution
Guangzhou usually records its highest OpenAQ-derived EPA AQI in December and its cleanest month in July. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Guangdong, China.
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Average EPA AQI
81
Rank 5 of 6 cities by average AQI
PM2.5
24.9
ug/m3 annualized city average
Seasonality
December
Cleanest: July
Health indicator
1.1
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Guangzhou
112
73
89
74
75
58
52
72
74
85
77
121
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Guangzhou, the current global analytics build covers 361 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.