Smolyan AQI Trends
Smolyan AQI was measured in 2024, with a trend delta of n/a AQI points. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Smolyan, Bulgaria.
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Average EPA AQI
15
Rank 35 of 35 cities by average AQI
PM2.5
n/a
ug/m3 annualized city average
Seasonality
November
Cleanest: January
Health indicator
n/a
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Smolyan
6
12
16
12
11
21
19
21
13
15
22
16
What this trends page measures
Compare yearly air-quality direction, best years, worst years, and trend deltas.
For Smolyan, the current global analytics build covers 309 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.