Vila Real Seasonal Pollution
Vila Real usually records its highest OpenAQ-derived EPA AQI in September and its cleanest month in March. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Vila Real, Portugal.
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Average EPA AQI
12
Rank 54 of 58 cities by average AQI
PM2.5
2.2
ug/m3 annualized city average
Seasonality
September
Cleanest: March
Health indicator
0.1
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Vila Real
11
22
6
11
7
12
14
16
33
9
9
11
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Vila Real, the current global analytics build covers 273 daily rows from 2024-01-01 to 2024-12-30. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.