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

Latest air quality data: Porto-Novo

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

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

particulate matter (PM2.5) dust - 13 (Moderate)
particulate matter (PM10) suspended dust - 15 (Good)
ozone (O3) - 39 (Good)
nitrogen dioxide (NO2) - 3 (Good)
sulfur dioxide (SO2) - 1 (Good)
carbon monoxide (CO) - 204 (Good)

Real-time Air Quality Index (AQI) for Porto-Novo, Thursday, August 27, 2026: 2.

AQI 2 Moderate

What is the air quality in Porto-Novo today? Is the air polluted in Porto-Novo?. Is there smog?

Today (Thursday, August 27, 2026) air quality is moderate in Porto-Novo. Some pollutants in Porto-Novo may slightly affect very few hypersensitive individuals. Air pollutants in Porto-Novo may cause minor breathing discomfort to sensitive people.

What is the current level of PM2.5 in Porto-Novo? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 13 (Moderate) For comparison, the highest level of PM2.5 in Porto-Novo in the last 7 days was: 16 (Monday, August 24, 2026) and the lowest: 10 (Thursday, August 27, 2026).

What is the level of PM10 today in Porto-Novo? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Porto-Novo is: 15 (Good)

How is the O3 level today in Porto-Novo? (ozone (O3))
39 (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))
204 (Good)

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

PM2,5 13 (Moderate)

PM10 15 (Good)

O3 39 (Good)

NO2 3 (Good)

SO2 1 (Good)

CO 204 (Good)

Data on air pollution from recent days in Porto-Novo

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	10 Good	11 Good	13 Moderate	16 Moderate	13 Moderate	12 Good	12 Good	16 Moderate
pm10	12 Good	14 Good	16 Good	19 Good	16 Good	16 Good	16 Good	20 Moderate
o3	45 Good	49 Good	52 Good	56 Good	54 Good	53 Good	50 Good	51 Good
no2	2 Good	2 Good	2 Good	2 Good	2 Good	1 Good	2 Good	2 Good
so2	1 Good	1 Good	1 Good	2 Good	1 Good	1 Good	1 Good	1 Good
co	214 Good	217 Good	218 Good	248 Good	220 Good	223 Good	221 Good	220 Good

data source »

Porto-Novo

Thursday, August 27, 2026 at 2:00 AM

PM2,5 13 (Good)

particulate matter (PM2.5) dust

PM10 15 (Good)

particulate matter (PM10) suspended dust

O3 39 (Good)

ozone (O3)

NO2 2.6 (Good)

nitrogen dioxide (NO2)

SO2 1 (Good)

sulfur dioxide (SO2)

CO 204 (Good)

carbon monoxide (CO)

Porto-Novo

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	16	12	12	13	16	13	11	10
pm10	20	16	16	16	19	16	14	12
o3	51	50	53	54	56	52	49	45
no2	1.7	1.9	1.5	1.8	2.5	1.7	1.6	2
so2	1	1.1	0.85	0.99	1.5	1.3	0.94	0.99
co	220	221	223	220	248	218	217	214

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

🌦️ Weather · 16-day Forecast — Benin

16-day weather forecast for Benin: today around 32°C (rain), lows near 22°C. Daily temperature and conditions, updated every day. A moderate breeze (about 8 km/h) is partially dispersing pollutants today.

☀️ UV Index · 16-day Forecast — Benin

The UV index in Benin today is 8.4 (very high) — unprotected fair skin can burn in about 25 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Porto-Novo — compare nearby locations.

Cotonou 7 µg/m³
Djougou 9 µg/m³
Parakou 6 µg/m³
Bohicon 11 µg/m³
Kandi 4 µg/m³

Frequently asked questions

Is the air safe to breathe in Porto-Novo today?

The current average PM2.5 across Porto-Novo is about 13 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Porto-Novo?

Right now PM2.5 in Porto-Novo averages about 13 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 Porto-Novo?

Over the past week, the highest daily PM2.5 in Porto-Novo was recorded on Thursday, August 20 (about 16 µg/m³).

What is the UV index in Porto-Novo today?

The UV index in Porto-Novo today is 8.4 (very high) — unprotected fair skin can burn in about 25 minutes.

Does today's wind help disperse smog in Porto-Novo?

A moderate breeze (about 8 km/h) is partially dispersing pollutants today.

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.