Avintes Seasonal Pollution
Avintes usually records its highest OpenAQ-derived EPA AQI in February and its cleanest month in October. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Porto, Portugal.
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Average EPA AQI
17
Rank 48 of 58 cities by average AQI
PM2.5
n/a
ug/m3 annualized city average
Seasonality
February
Cleanest: October
Health indicator
n/a
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Avintes
15
26
15
15
13
16
16
15
18
12
17
24
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Avintes, the current global analytics build covers 258 daily rows from 2024-01-01 to 2024-12-21. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.