Chimbote Seasonal Pollution
Chimbote usually records its highest OpenAQ-derived EPA AQI in November and its cleanest month in December. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Ancash, Peru.
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Average EPA AQI
51
Rank 7 of 14 cities by average AQI
PM2.5
11.5
ug/m3 annualized city average
Seasonality
November
Cleanest: December
Health indicator
0.5
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Chimbote
-
-
41
40
55
53
49
53
58
58
63
36
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Chimbote, the current global analytics build covers 280 daily rows from 2024-03-28 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.