Vila do Conde Seasonal Pollution
Vila do Conde usually records its highest OpenAQ-derived EPA AQI in February and its cleanest month in August. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Porto, Portugal.
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Average EPA AQI
16
Rank 50 of 58 cities by average AQI
PM2.5
n/a
ug/m3 annualized city average
Seasonality
February
Cleanest: August
Health indicator
n/a
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Vila do Conde
23
25
16
17
13
13
11
11
19
11
14
20
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Vila do Conde, the current global analytics build covers 273 daily rows from 2024-01-01 to 2024-12-25. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.