Daejeon Health Impact
Daejeon averaged 12.8 ug/m3 PM2.5, equal to 2.6x the WHO annual PM2.5 guideline and about 0.6 cigarettes per day by the simple AQI Now indicator. The page uses OpenAQ-derived daily history for 20 mapped monitoring locations in Daejeon, South Korea.
Search city analytics
Average EPA AQI
54
Rank 74 of 100 cities by average AQI
PM2.5
12.8
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
Daejeon
-
-
64
67
58
60
36
52
39
51
59
63
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Daejeon, 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.