Gijón Seasonal Pollution
Gijón usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in March. The page uses OpenAQ-derived daily history for 9 mapped monitoring locations in Asturias, Spain.
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Average EPA AQI
44
Rank 53 of 253 cities by average AQI
PM2.5
9.3
ug/m3 annualized city average
Seasonality
January
Cleanest: March
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Gijón
59
51
32
44
36
38
37
37
41
40
55
54
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Gijón, the current global analytics build covers 354 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.