Chiguayante AQI Trends
Chiguayante AQI was measured in 2024, with a trend delta of n/a AQI points. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Biobío, Chile.
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Average EPA AQI
82
Rank 38 of 60 cities by average AQI
PM2.5
25.4
ug/m3 annualized city average
Seasonality
July
Cleanest: March
Health indicator
1.2
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Chiguayante
61
60
60
74
126
87
133
102
80
70
61
63
What this trends page measures
Compare yearly air-quality direction, best years, worst years, and trend deltas.
For Chiguayante, the current global analytics build covers 358 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.