Civitavecchia Seasonal Pollution
Civitavecchia usually records its highest OpenAQ-derived EPA AQI in July and its cleanest month in October. The page uses OpenAQ-derived daily history for 19 mapped monitoring locations in Lazio, Italy.
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Average EPA AQI
39
Rank 74 of 132 cities by average AQI
PM2.5
8.4
ug/m3 annualized city average
Seasonality
July
Cleanest: October
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Civitavecchia
46
50
36
35
34
37
50
47
26
22
39
39
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Civitavecchia, the current global analytics build covers 363 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.