Tocopilla AQI Trends
Tocopilla AQI was measured across 2024-2025, with a trend delta of n/a AQI points. The page uses OpenAQ-derived daily history for 4 mapped monitoring locations in Antofagasta, Chile.
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Average EPA AQI
79
Rank 42 of 60 cities by average AQI
PM2.5
24.7
ug/m3 annualized city average
Seasonality
December
Cleanest: August
Health indicator
1.1
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Tocopilla
74
72
80
75
74
81
73
71
73
77
84
114
What this trends page measures
Compare yearly air-quality direction, best years, worst years, and trend deltas.
For Tocopilla, 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.