Buenos Aires Seasonal Pollution
Buenos Aires usually records its highest OpenAQ-derived EPA AQI in May and its cleanest month in January. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Buenos Aires, Ciudad Autónoma de, Argentina.
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Average EPA AQI
51
Rank 2 of 7 cities by average AQI
PM2.5
12.6
ug/m3 annualized city average
Seasonality
May
Cleanest: January
Health indicator
0.6
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Buenos Aires
11
-
31
-
65
51
-
-
63
62
45
48
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Buenos Aires, the current global analytics build covers 138 daily rows from 2024-01-15 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.