Plovdiv Seasonal Pollution
Plovdiv usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in April. The page uses OpenAQ-derived daily history for 5 mapped monitoring locations in Plovdiv, Bulgaria.
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Average EPA AQI
55
Rank 8 of 35 cities by average AQI
PM2.5
14.7
ug/m3 annualized city average
Seasonality
January
Cleanest: April
Health indicator
0.7
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Plovdiv
90
70
61
36
39
40
40
41
39
49
74
78
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Plovdiv, the current global analytics build covers 367 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.