Volterra Seasonal Pollution
Volterra usually records its highest OpenAQ-derived EPA AQI in May and its cleanest month in December. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Tuscany, Italy.
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Average EPA AQI
10
Rank 131 of 132 cities by average AQI
PM2.5
n/a
ug/m3 annualized city average
Seasonality
May
Cleanest: December
Health indicator
n/a
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Volterra
9
12
7
8
15
12
13
14
10
9
10
5
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Volterra, the current global analytics build covers 165 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.