Mataró Seasonal Pollution
Mataró usually records its highest OpenAQ-derived EPA AQI in July and its cleanest month in September. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Catalonia, Spain.
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Average EPA AQI
15
Rank 212 of 253 cities by average AQI
PM2.5
n/a
ug/m3 annualized city average
Seasonality
July
Cleanest: September
Health indicator
n/a
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Mataró
14
14
14
15
14
15
20
19
13
14
18
14
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Mataró, the current global analytics build covers 322 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.