Stara Zagora AQI Trends
Stara Zagora AQI was measured in 2024, with a trend delta of n/a AQI points. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Stara Zagora, Bulgaria.
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Average EPA AQI
18
Rank 32 of 35 cities by average AQI
PM2.5
n/a
ug/m3 annualized city average
Seasonality
October
Cleanest: December
Health indicator
n/a
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Stara Zagora
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21
17
16
What this trends page measures
Compare yearly air-quality direction, best years, worst years, and trend deltas.
For Stara Zagora, the current global analytics build covers 75 daily rows from 2024-10-15 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.