Ñiquén Seasonal Pollution
Ñiquén usually records its highest OpenAQ-derived EPA AQI in May and its cleanest month in November. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Ñuble, Chile.
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Average EPA AQI
92
Rank 23 of 60 cities by average AQI
PM2.5
33.2
ug/m3 annualized city average
Seasonality
May
Cleanest: November
Health indicator
1.5
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Ñiquén
70
70
75
93
156
113
138
-
-
76
68
68
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Ñiquén, the current global analytics build covers 262 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.