Osorno AQI Trends
Osorno AQI was measured across 2024-2025, with a trend delta of n/a AQI points. The page uses OpenAQ-derived daily history for 3 mapped monitoring locations in Los Lagos, Chile.
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Average EPA AQI
106
Rank 4 of 60 cities by average AQI
PM2.5
43.0
ug/m3 annualized city average
Seasonality
May
Cleanest: January
Health indicator
2.0
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Osorno
57
61
74
107
187
130
163
155
122
82
70
64
What this trends page measures
Compare yearly air-quality direction, best years, worst years, and trend deltas.
For Osorno, the current global analytics build covers 363 daily rows from 2024-01-01 to 2025-01-01. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.