Naples Seasonal Pollution
Naples usually records its highest OpenAQ-derived EPA AQI in August and its cleanest month in September. The page uses OpenAQ-derived daily history for 11 mapped monitoring locations in Campania, Italy.
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Average EPA AQI
56
Rank 43 of 132 cities by average AQI
PM2.5
13.5
ug/m3 annualized city average
Seasonality
August
Cleanest: September
Health indicator
0.6
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Naples
54
64
53
51
50
53
65
67
48
49
55
58
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Naples, the current global analytics build covers 360 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.