Faro Seasonal Pollution
Faro usually records its highest OpenAQ-derived EPA AQI in August and its cleanest month in October. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Faro, Portugal.
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Average EPA AQI
20
Rank 32 of 58 cities by average AQI
PM2.5
2.9
ug/m3 annualized city average
Seasonality
August
Cleanest: October
Health indicator
0.1
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Faro
27
24
16
21
17
20
15
36
18
14
20
15
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Faro, 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.