Laja Health Impact
Laja averaged 30.6 ug/m3 PM2.5, equal to 6.1x the WHO annual PM2.5 guideline and about 1.4 cigarettes per day by the simple AQI Now indicator. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Biobío, Chile.
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Average EPA AQI
86
Rank 34 of 60 cities by average AQI
PM2.5
30.6
ug/m3 annualized city average
Seasonality
May
Cleanest: December
Health indicator
1.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Laja
66
69
70
90
150
60
-
123
118
97
68
59
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Laja, the current global analytics build covers 310 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.