Cercola Seasonal Pollution
Cercola usually records its highest OpenAQ-derived EPA AQI in February and its cleanest month in September. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Campania, Italy.
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Average EPA AQI
68
Rank 20 of 132 cities by average AQI
PM2.5
18.9
ug/m3 annualized city average
Seasonality
February
Cleanest: September
Health indicator
0.9
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Cercola
74
91
69
61
55
58
63
66
54
62
78
83
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Cercola, the current global analytics build covers 312 daily rows from 2024-01-01 to 2024-12-30. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.