Cities with the cleanest air quality in Republic of the Congo

Air pollution is one of the most documented environmental health risks of our time. Fine particles (PM2.5), nitrogen dioxide (NO2), and ground-level ozone affect respiratory health, cardiovascular function, and sleep quality - often without visible signs. Choosing where you live, work, or spend extended time matters more than most people realise.

ClearSpot aggregates air quality data from official open government monitoring networks and the Copernicus Atmosphere Monitoring Service (CAMS) into a normalised score for every scored city. The ranking below reflects monthly averages at default sensitivity thresholds. Cities at the top have consistently lower modelled air pressure - not just on one good day.

The 50 cleanest cities for air quality in Republic of the Congo in May 2026 are listed below, scored from 0% (maximum pressure) to 100% (no documented pressure within default thresholds). Click any city to explore the full environmental breakdown and compare with nearby places.

All countries Global city ranking

Country	City	ClearSpot score	air %	View on map
CG	Abala	100%	0%	View on map
CG	Baratier	100%	0%	View on map
CG	Bétou	100%	0%	View on map
CG	Boko	100%	0%	View on map
CG	Bouansa	100%	0%	View on map
CG	Boundji	100%	0%	View on map
CG	Brazzaville	100%	0%	View on map
CG	Divenié	100%	0%	View on map
CG	Djambala	100%	0%	View on map
CG	Dolisie	100%	0%	View on map
CG	Dongou	100%	0%	View on map
CG	Enyellé	100%	0%	View on map
CG	Epéna	100%	0%	View on map
CG	Etoumbi	100%	0%	View on map
CG	Ewo	100%	0%	View on map
CG	Gamboma	100%	0%	View on map
CG	Hinda	100%	0%	View on map
CG	Impfondo	100%	0%	View on map
CG	Kayes	100%	0%	View on map
CG	Kellé	100%	0%	View on map
CG	Kibangou	100%	0%	View on map
CG	Kimongo	100%	0%	View on map
CG	Kindamba	100%	0%	View on map
CG	Kinkala	100%	0%	View on map
CG	Komono	100%	0%	View on map
CG	Lékana	100%	0%	View on map
CG	Loandjili	100%	0%	View on map
CG	Loudima	100%	0%	View on map
CG	Loukoléla	100%	0%	View on map
CG	Loutété	100%	0%	View on map
CG	Mabombo	100%	0%	View on map
CG	Madingou	100%	0%	View on map
CG	Makabana	100%	0%	View on map
CG	Makoua	100%	0%	View on map
CG	Mbinda	100%	0%	View on map
CG	Mindouli	100%	0%	View on map
CG	Mokéko	100%	0%	View on map
CG	Mossaka	100%	0%	View on map
CG	Mossendjo	100%	0%	View on map
CG	Mouyondzi	100%	0%	View on map
CG	Mvouti	100%	0%	View on map
CG	Ngabé	100%	0%	View on map
CG	Ngo	100%	0%	View on map
CG	Nkayi	100%	0%	View on map
CG	Ntokou-Raymondville	100%	0%	View on map
CG	Nzassi	100%	0%	View on map
CG	Olombo	100%	0%	View on map
CG	Ouesso	100%	0%	View on map
CG	Owando	100%	0%	View on map
CG	Oyo	100%	0%	View on map

How is air quality measured on ClearSpot?

ClearSpot sources air quality data primarily from the Open-Meteo Air Quality API and WAQI (World Air Quality Index), both of which aggregate readings from national government monitoring stations. For each city, we compute a monthly average across PM2.5, PM10, NO2, ozone, and carbon monoxide, then normalise against WHO 2021 guidelines to produce a 0-100% pressure score. A score of 100% means no measured pollutant exceeded WHO thresholds during the reference period. A score of 0% means persistent exceedance across multiple pollutants.

Data is refreshed monthly. For a real-time reading at any precise GPS coordinate, use the ClearSpot live map.