Somanya Seasonal Pollution
Somanya usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in September. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Eastern, Ghana.
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Average EPA AQI
87
Rank 1 of 5 cities by average AQI
PM2.5
35.7
ug/m3 annualized city average
Seasonality
January
Cleanest: September
Health indicator
1.6
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Somanya
250
172
83
65
71
65
62
57
44
-
-
-
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Somanya, the current global analytics build covers 170 daily rows from 2024-01-07 to 2024-10-02. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.