Józefosław Seasonal Pollution
Józefosław usually records its highest OpenAQ-derived EPA AQI in November and its cleanest month in July. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Mazowieckie, Poland.
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Average EPA AQI
58
Rank 57 of 155 cities by average AQI
PM2.5
14.7
ug/m3 annualized city average
Seasonality
November
Cleanest: July
Health indicator
0.7
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Józefosław
67
58
70
52
44
47
40
45
56
65
79
78
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Józefosław, the current global analytics build covers 355 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.