Devnya Health Impact
Devnya averaged 11.4 ug/m3 PM2.5, equal to 2.3x the WHO annual PM2.5 guideline and about 0.5 cigarettes per day by the simple AQI Now indicator. The page uses OpenAQ-derived daily history for 4 mapped monitoring locations in Varna, Bulgaria.
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Average EPA AQI
49
Rank 17 of 35 cities by average AQI
PM2.5
11.4
ug/m3 annualized city average
Seasonality
January
Cleanest: May
Health indicator
0.5
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Devnya
72
59
56
38
31
35
44
40
35
44
65
61
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Devnya, 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.