Arnedo Seasonal Pollution
Arnedo usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in September. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in La Rioja, Spain.
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Average EPA AQI
23
Rank 168 of 253 cities by average AQI
PM2.5
4.4
ug/m3 annualized city average
Seasonality
January
Cleanest: September
Health indicator
0.2
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Arnedo
37
35
27
33
10
14
16
23
9
15
24
24
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Arnedo, the current global analytics build covers 277 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.