Iaşi Seasonal Pollution
Iaşi usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in May. The page uses OpenAQ-derived daily history for 6 mapped monitoring locations in Iaşi, Romania.
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Average EPA AQI
58
Rank 8 of 69 cities by average AQI
PM2.5
14.4
ug/m3 annualized city average
Seasonality
January
Cleanest: May
Health indicator
0.7
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Iaşi
84
62
75
52
42
45
48
49
49
65
78
56
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Iaşi, the current global analytics build covers 348 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.