Kardzhali Seasonal Pollution
Kardzhali usually records its highest OpenAQ-derived EPA AQI in March and its cleanest month in May. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Kardzhali, Bulgaria.
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Average EPA AQI
20
Rank 29 of 35 cities by average AQI
PM2.5
n/a
ug/m3 annualized city average
Seasonality
March
Cleanest: May
Health indicator
n/a
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Kardzhali
23
24
25
18
14
19
19
17
19
21
24
20
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Kardzhali, the current global analytics build covers 319 daily rows from 2024-01-01 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.