Ourense Seasonal Pollution
Ourense usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in July. The page uses OpenAQ-derived daily history for 4 mapped monitoring locations in Galicia, Spain.
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Average EPA AQI
61
Rank 1 of 253 cities by average AQI
PM2.5
15.6
ug/m3 annualized city average
Seasonality
January
Cleanest: July
Health indicator
0.7
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Ourense
83
80
68
67
60
61
47
47
47
50
63
68
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Ourense, the current global analytics build covers 350 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.