Pirot Seasonal Pollution
Pirot usually records its highest OpenAQ-derived EPA AQI in February and its cleanest month in July. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Pirot, Serbia.
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Average EPA AQI
78
Rank 14 of 28 cities by average AQI
PM2.5
24.4
ug/m3 annualized city average
Seasonality
February
Cleanest: July
Health indicator
1.1
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Pirot
-
124
87
63
55
55
54
61
56
72
121
114
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Pirot, the current global analytics build covers 269 daily rows from 2024-01-06 to 2024-12-27. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.