Masan Seasonal Pollution
Masan usually records its highest OpenAQ-derived EPA AQI in April and its cleanest month in July. The page uses OpenAQ-derived daily history for 7 mapped monitoring locations in Gyeongnam, South Korea.
Search city analytics
Average EPA AQI
56
Rank 56 of 100 cities by average AQI
PM2.5
13.4
ug/m3 annualized city average
Seasonality
April
Cleanest: July
Health indicator
0.6
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Masan
-
-
62
72
59
62
45
56
47
51
56
59
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Masan, 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.