Martorell Seasonal Pollution
Martorell usually records its highest OpenAQ-derived EPA AQI in August and its cleanest month in December. The page uses OpenAQ-derived daily history for 3 mapped monitoring locations in Catalonia, Spain.
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Average EPA AQI
16
Rank 206 of 253 cities by average AQI
PM2.5
n/a
ug/m3 annualized city average
Seasonality
August
Cleanest: December
Health indicator
n/a
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Martorell
16
17
12
17
13
17
20
23
16
13
15
12
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Martorell, the current global analytics build covers 339 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.