Cotonou: Air Pollution Today — AQI Index, PM2.5/PM10, Smog Alerts and Forecast

Latest air quality data: Cotonou

Locations: Cotonou Djougou » Porto-Novo » Parakou » Bohicon » Kandi »

Pollution and air quality forecast for Cotonou. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Cotonou:

particulate matter (PM2.5) dust - 7 (Good)
particulate matter (PM10) suspended dust - 10 (Good)
ozone (O3) - 40 (Good)
nitrogen dioxide (NO2) - 3 (Good)
sulfur dioxide (SO2) - 1 (Good)
carbon monoxide (CO) - 185 (Good)

Real-time Air Quality Index (AQI) for Cotonou, Thursday, August 27, 2026: 1.

AQI 1 Good

What is the air quality in Cotonou today? Is the air polluted in Cotonou?. Is there smog?

Today (Thursday, August 27, 2026) air quality is good. The air quality has no effect on health. Everyone can continue their outdoor activities normally in Cotonou.

What is the current level of PM2.5 in Cotonou? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 7 (Good) For comparison, the highest level of PM2.5 in Cotonou in the last 7 days was: 12 (Thursday, August 20, 2026) and the lowest: 6 (Thursday, August 27, 2026).

What is the level of PM10 today in Cotonou? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Cotonou is: 10 (Good)

How is the O3 level today in Cotonou? (ozone (O3))
40 (Good)

How high is the level of NO2? (nitrogen dioxide (NO2))
3 (Good)

What is the level of SO2 pollution? (sulfur dioxide (SO2))
1 (Good)

How high is the CO level? (carbon monoxide (CO))
185 (Good)

Current data Thursday, August 27, 2026 at 2:00 AM

PM2,5 7 (Good)

PM10 10 (Good)

O3 40 (Good)

NO2 3 (Good)

SO2 1 (Good)

CO 185 (Good)

Data on air pollution from recent days in Cotonou

index	2026-08-27	2026-08-26	2026-08-25	2026-08-24	2026-08-23	2026-08-22	2026-08-21	2026-08-20
pm25	6 Good	8 Good	9 Good	11 Good	10 Good	10 Good	9 Good	12 Good
pm10	8 Good	11 Good	13 Good	14 Good	13 Good	13 Good	12 Good	16 Good
o3	47 Good	51 Good	54 Good	60 Good	56 Good	56 Good	52 Good	54 Good
no2	3 Good	2 Good	2 Good	3 Good	2 Good	2 Good	3 Good	2 Good
so2	1 Good	1 Good	1 Good	1 Good	1 Good	1 Good	1 Good	1 Good
co	196 Good	199 Good	202 Good	222 Good	198 Good	213 Good	206 Good	206 Good

data source »

Cotonou

Thursday, August 27, 2026 at 2:00 AM

PM2,5 7.1 (Good)

particulate matter (PM2.5) dust

PM10 9.7 (Good)

particulate matter (PM10) suspended dust

O3 40 (Good)

ozone (O3)

NO2 3.2 (Good)

nitrogen dioxide (NO2)

SO2 0.8 (Good)

sulfur dioxide (SO2)

CO 185 (Good)

carbon monoxide (CO)

Cotonou

index	2026-08-20	2026-08-21	2026-08-22	2026-08-23	2026-08-24	2026-08-25	2026-08-26	2026-08-27
pm25	12	8.6	9.7	9.8	11	9.3	7.6	5.7
pm10	16	12	13	13	14	13	11	7.5
o3	54	52	56	56	60	54	51	47
no2	2.1	2.7	1.7	1.9	3	2.3	2.1	2.5
so2	0.85	0.99	0.78	0.83	1.4	1.3	0.81	0.8
co	206	206	213	198	222	202	199	196

* Pollution data source: https://openaq.org () The data is licensed under CC-By 4.0

🌦️ Weather · 16-day Forecast — Cotonou

16-day weather forecast for Cotonou: today around 27°C (cloudy), lows near 24°C. Daily temperature and conditions, updated every day. Strong wind (about 18 km/h) is actively clearing smog and dust away.

☀️ UV Index · 16-day Forecast — Cotonou

The UV index in Cotonou today is 8.6 (very high) — unprotected fair skin can burn in about 25 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Cotonou — compare nearby locations.

Djougou 9 µg/m³
Porto-Novo 13 µg/m³
Parakou 6 µg/m³
Bohicon 11 µg/m³
Kandi 4 µg/m³

Frequently asked questions

Is the air safe to breathe in Cotonou today?

The current average PM2.5 across Cotonou is about 7 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Cotonou?

Right now PM2.5 in Cotonou averages about 7 µg/m³ (“Good”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.

Which day last week had the worst air in Cotonou?

Over the past week, the highest daily PM2.5 in Cotonou was recorded on Thursday, August 20 (about 12 µg/m³).

What is the UV index in Cotonou today?

The UV index in Cotonou today is 8.6 (very high) — unprotected fair skin can burn in about 25 minutes.

Does today's wind help disperse smog in Cotonou?

Strong wind (about 18 km/h) is actively clearing smog and dust away.

How is air quality measured?

Air quality here is based on PM2.5 — the concentration of fine particulate matter in µg/m³. Lower values mean cleaner air. Data is updated daily from Open-Meteo.