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

Latest air quality data: Nairobi

Locations: Nairobi Mombasa » Tharaka-Nithi County » Nakuru » Eldoret » Kisumu » Thika » Malindi »

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

particulate matter (PM2.5) dust - 9 (Good)
particulate matter (PM10) suspended dust - 9 (Good)
ozone (O3) - 41 (Good)
nitrogen dioxide (NO2) - 8 (Good)
sulfur dioxide (SO2) - 4 (Good)
carbon monoxide (CO) - 251 (Good)

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

AQI 1 Good

What is the air quality in Nairobi today? Is the air polluted in Nairobi?. 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 Nairobi.

What is the current level of PM2.5 in Nairobi? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 9 (Good) For comparison, the highest level of PM2.5 in Nairobi in the last 7 days was: 24 (Thursday, August 20, 2026) and the lowest: 6 (Sunday, August 23, 2026).

What is the level of PM10 today in Nairobi? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Nairobi is: 9 (Good)

How is the O3 level today in Nairobi? (ozone (O3))
41 (Good)

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

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

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

Current data Thursday, August 27, 2026 at 4:00 AM

PM2,5 9 (Good)

PM10 9 (Good)

O3 41 (Good)

NO2 8 (Good)

SO2 4 (Good)

CO 251 (Good)

Data on air pollution from recent days in Nairobi

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	8 Good	10 Good	8 Good	7 Good	6 Good	13 Moderate	19 Moderate	24 Moderate
pm10	9 Good	11 Good	9 Good	8 Good	7 Good	15 Good	22 Moderate	29 Moderate
o3	75 Moderate	79 Moderate	75 Moderate	66 Good	60 Good	80 Moderate	85 Moderate	83 Moderate
no2	5 Good	7 Good	5 Good	5 Good	4 Good	6 Good	9 Good	7 Good
so2	4 Good	5 Good	4 Good	5 Good	4 Good	5 Good	6 Good	6 Good
co	249 Good	268 Good	228 Good	221 Good	195 Good	276 Good	341 Good	334 Good

data source »

Quality of life in Nairobi

Green and Parks in the City

Nairobi 55%

Uganda: 36% Tanzania: 40% Ethiopia: 31% Rwanda: 65% Burundi: 25%

particulate matter PM2.5

Nairobi 17 (Moderate)

Pleasure of spending time in the city

Nairobi 37%

Uganda: 34% Tanzania: 47% Ethiopia: 44% Rwanda: 71% Burundi: 35%

particulate matter PM10

Nairobi 33 (Moderate)

Air Pollution

Nairobi 69%

Uganda: 70% Tanzania: 45% Ethiopia: 62% Rwanda: 38% Burundi: 70%

Garbage Disposal

Nairobi 23%

Uganda: 19% Tanzania: 26% Ethiopia: 25% Rwanda: 80% Burundi: 10%

Availability and quality of drinking water

Nairobi 38%

Uganda: 38% Tanzania: 41% Ethiopia: 41% Rwanda: 65% Burundi: 25%

Cleanliness and tidiness

Nairobi 24%

Uganda: 27% Tanzania: 43% Ethiopia: 27% Rwanda: 88% Burundi: 25%

Noise and Light pollution

Nairobi 58%

Uganda: 57% Tanzania: 52% Ethiopia: 60% Rwanda: 22% Burundi: 94%

Water Pollution

Nairobi 84%

Uganda: 73% Tanzania: 69% Ethiopia: 67% Rwanda: 43% Burundi: 85%

Source: Numbeo

Nairobi

Thursday, August 27, 2026 at 4:00 AM

PM2,5 8.5 (Good)

particulate matter (PM2.5) dust

PM10 9.4 (Good)

particulate matter (PM10) suspended dust

O3 41 (Good)

ozone (O3)

NO2 8.2 (Good)

nitrogen dioxide (NO2)

SO2 4.2 (Good)

sulfur dioxide (SO2)

CO 251 (Good)

carbon monoxide (CO)

Nairobi

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	24	19	13	6.1	7	8	10	8
pm10	29	22	15	6.8	7.7	8.8	11	9.1
o3	83	85	80	60	66	75	79	75
no2	7.2	9	6.3	3.6	4.8	5	7.3	5.3
so2	6.2	6.1	4.9	4.3	4.7	4.2	5.2	4.2
co	334	341	276	195	221	228	268	249

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

🌦️ Weather · 16-day Forecast — Nairobi

16-day weather forecast for Nairobi: today around 27°C (cloudy), lows near 14°C. Daily temperature and conditions, updated every day. Strong wind (about 22 km/h) is actively clearing smog and dust away.

☀️ UV Index · 16-day Forecast — Nairobi

The UV index in Nairobi today is 9.4 (very high) — unprotected fair skin can burn in about 20 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Nairobi — compare nearby locations.

Thika 7 µg/m³
Nakuru 5 µg/m³
Tharaka-Nithi County 6 µg/m³
MoshiTanzania 11 µg/m³
Kisumu 34 µg/m³
Eldoret 27 µg/m³
Mombasa 7 µg/m³
Malindi 7 µg/m³

Frequently asked questions

Is the air safe to breathe in Nairobi today?

The current average PM2.5 across Nairobi is about 9 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Nairobi?

Right now PM2.5 in Nairobi averages about 9 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 Nairobi?

Over the past week, the highest daily PM2.5 in Nairobi was recorded on Thursday, August 20 (about 24 µg/m³).

What is the UV index in Nairobi today?

The UV index in Nairobi today is 9.4 (very high) — unprotected fair skin can burn in about 20 minutes.

Does today's wind help disperse smog in Nairobi?

Strong wind (about 22 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.