Accra Seasonal Pollution
Accra usually records its highest OpenAQ-derived EPA AQI in December and its cleanest month in April. The page uses OpenAQ-derived daily history for 10 mapped monitoring locations in Greater Accra, Ghana.
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Average EPA AQI
73
Rank 4 of 5 cities by average AQI
PM2.5
20.8
ug/m3 annualized city average
Seasonality
December
Cleanest: April
Health indicator
0.9
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Accra
-
-
77
57
57
66
71
67
68
64
78
111
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Accra, the current global analytics build covers 262 daily rows from 2024-03-19 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.