Opole Seasonal Pollution
Opole usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in July. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Opolskie, Poland.
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Average EPA AQI
63
Rank 36 of 155 cities by average AQI
PM2.5
19.3
ug/m3 annualized city average
Seasonality
January
Cleanest: July
Health indicator
0.9
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Opole
108
91
86
48
46
33
19
42
47
59
80
102
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Opole, the current global analytics build covers 363 daily rows from 2024-01-03 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.