Lima Health Impact
Lima averaged 29.6 ug/m3 PM2.5, equal to 5.9x the WHO annual PM2.5 guideline and about 1.3 cigarettes per day by the simple AQI Now indicator. The page uses OpenAQ-derived daily history for 11 mapped monitoring locations in Lima, Peru.
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Average EPA AQI
90
Rank 2 of 14 cities by average AQI
PM2.5
29.6
ug/m3 annualized city average
Seasonality
August
Cleanest: May
Health indicator
1.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Lima
74
66
66
57
55
106
124
125
119
104
87
92
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Lima, 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.