Gimpo Seasonal Pollution
Gimpo usually records its highest OpenAQ-derived EPA AQI in April and its cleanest month in September. The page uses OpenAQ-derived daily history for 10 mapped monitoring locations in Gyeonggi, South Korea.
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Average EPA AQI
68
Rank 2 of 100 cities by average AQI
PM2.5
18.5
ug/m3 annualized city average
Seasonality
April
Cleanest: September
Health indicator
0.8
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Gimpo
-
-
76
79
66
69
56
68
52
69
72
74
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Gimpo, the current global analytics build covers 287 daily rows from 2024-03-19 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.