Vólos Seasonal Pollution
Vólos usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in September. The page uses OpenAQ-derived daily history for 3 mapped monitoring locations in Thessalía, Greece.
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Average EPA AQI
55
Rank 10 of 22 cities by average AQI
PM2.5
13.0
ug/m3 annualized city average
Seasonality
January
Cleanest: September
Health indicator
0.6
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Vólos
83
79
-
48
42
48
48
46
41
47
-
-
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Vólos, the current global analytics build covers 200 daily rows from 2024-01-01 to 2024-10-13. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.