Ghana City AQI Comparison
Rank cities side by side using OpenAQ PM2.5 and PM10 history normalized to US EPA AQI. This pilot covers 5 eligible cities with OpenAQ-derived daily AQI history.
Compare two cities
vs
Featured comparisons
Somanya vs Gbawe→
Highest vs cleanest city
AQI gap 15170 / 134 days
Somanya vs Dome→
Highest-AQI pair
AQI gap 0170 / 134 days
Somanya vs Medina Estates→
High vs mid-range city
AQI gap 7170 / 321 days
Dome vs Gbawe→
Second-highest vs cleanest city
AQI gap 15134 / 134 days
Medina Estates vs Accra→
High vs low-AQI city
AQI gap 7321 / 262 days
Dome vs Accra→
High vs low-AQI city
AQI gap 14134 / 262 days
Dome vs Medina Estates→
Similar high-AQI cities
AQI gap 7134 / 321 days
Accra vs Somanya→
High vs low-AQI city
AQI gap 14262 / 170 days
Accra vs Gbawe→
Similar high-AQI cities
AQI gap 1262 / 134 days
Methodology
The extractor maps OpenAQ monitoring locations to the nearest AQI Now city in the same country, aggregates PM2.5 and PM10 to daily city averages, and converts those concentrations to US EPA AQI. Country tool pages use only city summaries that satisfy the configured minimum daily coverage threshold.