Svishtov Seasonal Pollution
Svishtov usually records its highest OpenAQ-derived EPA AQI in December and its cleanest month in June. The page uses OpenAQ-derived daily history for 4 mapped monitoring locations in Veliko Tarnovo, Bulgaria.
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Average EPA AQI
162
Rank 1 of 35 cities by average AQI
PM2.5
107.7
ug/m3 annualized city average
Seasonality
December
Cleanest: June
Health indicator
4.9
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Svishtov
214
133
72
65
100
20
61
258
181
169
268
372
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Svishtov, the current global analytics build covers 363 daily rows from 2023-12-31 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.