Quintero AQI Trends
Quintero AQI was measured across 2024-2025, with a trend delta of n/a AQI points. The page uses OpenAQ-derived daily history for 9 mapped monitoring locations in Valparaiso, Chile.
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Average EPA AQI
81
Rank 40 of 60 cities by average AQI
PM2.5
24.8
ug/m3 annualized city average
Seasonality
July
Cleanest: October
Health indicator
1.1
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Quintero
75
78
78
79
89
81
105
80
80
71
77
75
What this trends page measures
Compare yearly air-quality direction, best years, worst years, and trend deltas.
For Quintero, the current global analytics build covers 367 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.