Pleven Seasonal Pollution
Pleven usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in May. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Pleven, Bulgaria.
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Average EPA AQI
50
Rank 16 of 35 cities by average AQI
PM2.5
14.8
ug/m3 annualized city average
Seasonality
January
Cleanest: May
Health indicator
0.7
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Pleven
96
73
62
25
18
31
34
32
31
40
73
76
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Pleven, the current global analytics build covers 364 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.