Seonsan Health Impact
Seonsan averaged 17.2 ug/m3 PM2.5, equal to 3.4x the WHO annual PM2.5 guideline and about 0.8 cigarettes per day by the simple AQI Now indicator. The page uses OpenAQ-derived daily history for 7 mapped monitoring locations in Chungbuk, South Korea.
Search city analytics
Average EPA AQI
65
Rank 13 of 100 cities by average AQI
PM2.5
17.2
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
Seonsan
-
-
71
81
65
69
50
58
46
62
73
75
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Seonsan, the current global analytics build covers 286 daily rows from 2024-03-20 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.