Portimão Seasonal Pollution
Portimão usually records its highest OpenAQ-derived EPA AQI in July and its cleanest month in May. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Faro, Portugal.
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Average EPA AQI
26
Rank 21 of 58 cities by average AQI
PM2.5
n/a
ug/m3 annualized city average
Seasonality
July
Cleanest: May
Health indicator
n/a
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Portimão
28
27
22
24
21
22
34
26
23
24
29
23
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Portimão, the current global analytics build covers 320 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.