Velingrad Seasonal Pollution
Velingrad usually records its highest OpenAQ-derived EPA AQI in December and its cleanest month in April. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Pazardzhik, Bulgaria.
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Average EPA AQI
60
Rank 4 of 35 cities by average AQI
PM2.5
15.4
ug/m3 annualized city average
Seasonality
December
Cleanest: April
Health indicator
0.7
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Velingrad
76
68
61
45
52
50
50
50
51
55
74
89
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Velingrad, the current global analytics build covers 357 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.