Lom Health Impact
Lom averaged 13.7 ug/m3 PM2.5, equal to 2.7x the WHO annual PM2.5 guideline and about 0.6 cigarettes per day by the simple AQI Now indicator. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Montana, Bulgaria.
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Average EPA AQI
55
Rank 9 of 35 cities by average AQI
PM2.5
13.7
ug/m3 annualized city average
Seasonality
November
Cleanest: August
Health indicator
0.6
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Lom
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-
-
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38
38
41
52
78
72
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Lom, the current global analytics build covers 165 daily rows from 2024-07-17 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.