Hosan Health Impact
Hosan averaged 15.1 ug/m3 PM2.5, equal to 3.0x the WHO annual PM2.5 guideline and about 0.7 cigarettes per day by the simple AQI Now indicator. The page uses OpenAQ-derived daily history for 6 mapped monitoring locations in Chungnam, South Korea.
Search city analytics
Average EPA AQI
59
Rank 36 of 100 cities by average AQI
PM2.5
15.1
ug/m3 annualized city average
Seasonality
April
Cleanest: July
Health indicator
0.7
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Hosan
-
-
66
75
63
65
38
57
46
59
65
67
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Hosan, 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.