Dobrich Seasonal Pollution
Dobrich usually records its highest OpenAQ-derived EPA AQI in November and its cleanest month in May. The page uses OpenAQ-derived daily history for 3 mapped monitoring locations in Dobrich, Bulgaria.
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Average EPA AQI
45
Rank 19 of 35 cities by average AQI
PM2.5
10.4
ug/m3 annualized city average
Seasonality
November
Cleanest: May
Health indicator
0.5
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Dobrich
66
57
53
31
24
24
37
30
32
45
70
65
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Dobrich, the current global analytics build covers 366 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.