Air Quality in Onitsha Today — Live AQI, PM2.5 & PM10, Smog, Weather and Forecast

Latest air quality data: Onitsha

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

particulate matter (PM2.5) dust - 26 (Moderate)
particulate matter (PM10) suspended dust - 26 (Moderate)
ozone (O3) - 28 (Good)
nitrogen dioxide (NO2) - 7 (Good)
sulfur dioxide (SO2) - 2 (Good)
carbon monoxide (CO) - 369 (Good)

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

AQI 2 Moderate

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

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

What is the current level of PM2.5 in Onitsha? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 26 (Moderate) For comparison, the highest level of PM2.5 in Onitsha in the last 7 days was: 34 (Monday, August 24, 2026) and the lowest: 21 (Sunday, August 23, 2026).

What is the level of PM10 today in Onitsha? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Onitsha is: 26 (Moderate)

How is the O3 level today in Onitsha? (ozone (O3))
28 (Good)

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

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

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

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

PM2,5 26 (Moderate)

PM10 26 (Moderate)

O3 28 (Good)

NO2 7 (Good)

SO2 2 (Good)

CO 369 (Good)

Data on air pollution from recent days in Onitsha

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	24 Moderate	26 Moderate	28 Moderate	34 Moderate	21 Moderate	25 Moderate	32 Moderate	30 Moderate
pm10	24 Moderate	27 Moderate	30 Moderate	35 Moderate	21 Moderate	26 Moderate	34 Moderate	32 Moderate
o3	41 Good	44 Good	57 Good	49 Good	43 Good	47 Good	44 Good	45 Good
no2	5 Good	5 Good	5 Good	7 Good	5 Good	5 Good	6 Good	5 Good
so2	2 Good	2 Good	2 Good	3 Good	2 Good	2 Good	2 Good	2 Good
co	330 Good	312 Good	357 Good	331 Good	317 Good	315 Good	379 Good	358 Good

data source »

Quality of life in Onitsha

Green and Parks in the City

Onitsha 25%

Cameroon: 34% Niger: 58% Togo: 38% Equatorial Guinea: 39%

particulate matter PM2.5

Onitsha 66 (Unhealthy)

Pleasure of spending time in the city

Onitsha 0%

Cameroon: 22% Benin: 25% Niger: 58% Togo: 38%

particulate matter PM10

Onitsha 590 (Very bad Hazardous)

Air Pollution

Onitsha 100%

Cameroon: 84% Benin: 88% Niger: 58% Togo: 70% Equatorial Guinea: 46%

Garbage Disposal

Onitsha 25%

Cameroon: 12% Benin: 0% Togo: 38% Equatorial Guinea: 39%

Availability and quality of drinking water

Onitsha 25%

Cameroon: 27% Benin: 13% Niger: 42% Togo: 25% Equatorial Guinea: 43%

Cleanliness and tidiness

Onitsha 25%

Cameroon: 22% Benin: 0% Niger: 42% Togo: 25% Equatorial Guinea: 43%

Noise and Light pollution

Onitsha 75%

Cameroon: 58% Benin: 75% Niger: 33% Togo: 69% Equatorial Guinea: 64%

Water Pollution

Onitsha 75%

Cameroon: 91% Benin: 75% Niger: 67% Togo: 81% Equatorial Guinea: 43%

Source: Numbeo

Onitsha

Thursday, August 27, 2026 at 2:00 AM

PM2,5 26 (Moderate)

particulate matter (PM2.5) dust

PM10 26 (Moderate)

particulate matter (PM10) suspended dust

O3 28 (Good)

ozone (O3)

NO2 6.6 (Good)

nitrogen dioxide (NO2)

SO2 1.8 (Good)

sulfur dioxide (SO2)

CO 369 (Good)

carbon monoxide (CO)

Onitsha

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	30	32	25	21	34	28	26	24
pm10	32	34	26	21	35	30	27	24
o3	45	44	47	43	49	57	44	41
no2	5.5	5.8	4.6	4.7	6.5	4.8	4.9	5.1
so2	2.3	2.2	1.8	1.7	2.5	2.1	2	1.8
co	358	379	315	317	331	357	312	330

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

🌦️ Weather · 16-day Forecast — Nigeria

16-day weather forecast for Nigeria: today around 29°C (rain), lows near 19°C. Daily temperature and conditions, updated every day. Strong wind (about 20 km/h) is actively clearing smog and dust away.

☀️ UV Index · 16-day Forecast — Nigeria

The UV index in Nigeria today is 8.3 (very high) — unprotected fair skin can burn in about 25 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Onitsha — compare nearby locations.

Enugu 51 µg/m³
Aba 27 µg/m³
Warri 19 µg/m³
Abuja 44 µg/m³
KumbaCameroon 13 µg/m³
MalaboEquatorial Guinea 10 µg/m³
Ibadan 22 µg/m³
Lagos 16 µg/m³

Frequently asked questions

Is the air safe to breathe in Onitsha today?

The current average PM2.5 across Onitsha is about 26 µg/m³, rated “Moderate”. Air quality is acceptable, but unusually sensitive people should limit prolonged outdoor exertion.

What is the current PM2.5 level in Onitsha?

Right now PM2.5 in Onitsha averages about 26 µg/m³ (“Moderate”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.

Which day last week had the worst air in Onitsha?

Over the past week, the highest daily PM2.5 in Onitsha was recorded on Monday, August 24 (about 34 µg/m³).

What is the UV index in Onitsha today?

The UV index in Onitsha today is 8.3 (very high) — unprotected fair skin can burn in about 25 minutes.

Does today's wind help disperse smog in Onitsha?

Strong wind (about 20 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.